UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549


                                  SCHEDULE 13D
                    Under the Securities Exchange Act of 1934
                               (Amendment No. 20)*


                             Riviera Holdings Corp.
--------------------------------------------------------------------------------
                                (Name of Issuer)


                          Common Stock, $.001 per share
--------------------------------------------------------------------------------
                         (Title of Class of Securities)


                                    769627100
--------------------------------------------------------------------------------
                                 (CUSIP Number)

                                 Andrew J. Perel
                        Cadwalader, Wickersham & Taft LLP
                           One World Financial Center
                            New York, New York 10281
                                 (212) 504-6656
--------------------------------------------------------------------------------
                  (Name, Address and Telephone Number of Person
                Authorized to Receive Notices and Communications)

                                  June 19, 2007
--------------------------------------------------------------------------------
             (Date of Event Which Requires Filing of this Statement)


      If the filing person has previously filed a statement on Schedule 13G to
report the acquisition which is the subject of this Schedule 13D, and is filing
this schedule because of ss.ss. 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g),
check the following box [ ].

      Note: Schedules filed in paper format shall include a signed original and
five copies of the schedule, including all exhibits. See Rule 13d-7 for other
parties to whom copies are to be sent.

      *The remainder of this cover page shall be filled out for a reporting
person's initial filing on this form with respect to the subject class of
securities, and for any subsequent amendment containing information which would
alter disclosures provided in a prior cover page.

      The Information required on the remainder of this cover page shall not be
deemed to be "filed" for the purpose of Section 18 of the Securities Exchange
Act of 1934 ("Act") or otherwise subject to the liabilities of that section of
the Act but shall be subject to all other provisions of the Act (however, see
the Notes).



CUSIP NO.:  769627100
1      NAMES OF REPORTING PERSONS
       I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

       Flag Luxury Riv, LLC
--------------------------------------------------------------------------------
2      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP      (a)   |_|
                                                             (b)   |X|

--------------------------------------------------------------------------------
3      SEC USE ONLY


--------------------------------------------------------------------------------
4      SOURCE OF FUNDS

       AF
--------------------------------------------------------------------------------
5      CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
       PURSUANT TO ITEM 2(d) or 2(e)                               |_|

--------------------------------------------------------------------------------
6      CITIZENSHIP OR PLACE OF ORGANIZATION

       Delaware
--------------------------------------------------------------------------------
                    7     SOLE VOTING POWER

NUMBER OF                 418,294
SHARES                    -----------------------------------
BENEFICIALLY        8     SHARED VOTING POWER
OWNED BY
EACH                      0
REPORTING                 -----------------------------------
PERSON              9     SOLE DISPOSITIVE POWER

                          418,294
                          -----------------------------------
                    10    SHARED DISPOSITIVE POWER

                          0
                          -----------------------------------

11     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       418,294
--------------------------------------------------------------------------------
12     CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
       CERTAIN SHARES                                              |_|

--------------------------------------------------------------------------------
13     PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

       3.36%
--------------------------------------------------------------------------------
14     TYPE OF REPORTING PERSON

       OO
--------------------------------------------------------------------------------


CUSIP NO.:  769627100
1      NAMES OF REPORTING PERSONS
       I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

       RH1, LLC
--------------------------------------------------------------------------------
2      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP      (a)   |_|
                                                             (b)   |X|

--------------------------------------------------------------------------------
3      SEC USE ONLY


--------------------------------------------------------------------------------
4      SOURCE OF FUNDS

       WC
--------------------------------------------------------------------------------
5      CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
       PURSUANT TO ITEM 2(d) or 2(e)                               |_|

--------------------------------------------------------------------------------
6      CITIZENSHIP OR PLACE OF ORGANIZATION

       Nevada
--------------------------------------------------------------------------------
                    7     SOLE VOTING POWER

NUMBER OF                 418,294
SHARES                    -----------------------------------
BENEFICIALLY        8     SHARED VOTING POWER
OWNED BY
EACH                      0
REPORTING                 -----------------------------------
PERSON              9     SOLE DISPOSITIVE POWER

                          418,294
                          -----------------------------------
                    10    SHARED DISPOSITIVE POWER

                          0
                          -----------------------------------

11     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       418,294
--------------------------------------------------------------------------------
12     CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
       CERTAIN SHARES                                              |_|

--------------------------------------------------------------------------------
13     PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

       3.36%
--------------------------------------------------------------------------------
14     TYPE OF REPORTING PERSON

       OO
--------------------------------------------------------------------------------



CUSIP NO.:  769627100
1      NAMES OF REPORTING PERSONS
       I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

       FX Luxury Realty, LLC
--------------------------------------------------------------------------------
2      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP      (a)   |_|
                                                             (b)   |X|

--------------------------------------------------------------------------------
3      SEC USE ONLY


--------------------------------------------------------------------------------
4      SOURCE OF FUNDS

       WC
--------------------------------------------------------------------------------
5      CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
       PURSUANT TO ITEM 2(d) or 2(e)                               |_|

--------------------------------------------------------------------------------
6      CITIZENSHIP OR PLACE OF ORGANIZATION

       Delaware
--------------------------------------------------------------------------------
                    7     SOLE VOTING POWER

NUMBER OF                 0
SHARES                    -----------------------------------
BENEFICIALLY        8     SHARED VOTING POWER
OWNED BY
EACH                      836,588
REPORTING                 -----------------------------------
PERSON              9     SOLE DISPOSITIVE POWER

                          0
                          -----------------------------------
                    10    SHARED DISPOSITIVE POWER

                          836,588
                          -----------------------------------

11     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       836,588
--------------------------------------------------------------------------------
12     CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
       CERTAIN SHARES                                              |_|

--------------------------------------------------------------------------------
13     PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

       6.71%
--------------------------------------------------------------------------------
14     TYPE OF REPORTING PERSON

       OO
--------------------------------------------------------------------------------


CUSIP NO.:  769627100
1      NAMES OF REPORTING PERSONS
       I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

       CKX, Inc.
--------------------------------------------------------------------------------
2      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP      (a)   |_|
                                                             (b)   |X|

--------------------------------------------------------------------------------
3      SEC USE ONLY


--------------------------------------------------------------------------------
4      SOURCE OF FUNDS

       BK
--------------------------------------------------------------------------------
5      CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
       PURSUANT TO ITEM 2(d) or 2(e)                               |_|

--------------------------------------------------------------------------------
6      CITIZENSHIP OR PLACE OF ORGANIZATION

       Delaware
--------------------------------------------------------------------------------
                    7     SOLE VOTING POWER

NUMBER OF                 0
SHARES                    -----------------------------------
BENEFICIALLY        8     SHARED VOTING POWER
OWNED BY
EACH                      836,588
REPORTING                 -----------------------------------
PERSON              9     SOLE DISPOSITIVE POWER

                          0
                          -----------------------------------
                    10    SHARED DISPOSITIVE POWER

                          836,588
                          -----------------------------------

11     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       836,588
--------------------------------------------------------------------------------
12     CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
       CERTAIN SHARES                                              |_|

--------------------------------------------------------------------------------
13     PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

       6.71%
--------------------------------------------------------------------------------
14     TYPE OF REPORTING PERSON

       CO
--------------------------------------------------------------------------------


CUSIP NO.:  769627100
1      NAMES OF REPORTING PERSONS
       I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

       Flag Luxury Properties, LLC
--------------------------------------------------------------------------------
2      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP      (a)   |_|
                                                             (b)   |X|

--------------------------------------------------------------------------------
3      SEC USE ONLY


--------------------------------------------------------------------------------
4      SOURCE OF FUNDS

       WC
--------------------------------------------------------------------------------
5      CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
       PURSUANT TO ITEM 2(d) or 2(e)                               |_|

--------------------------------------------------------------------------------
6      CITIZENSHIP OR PLACE OF ORGANIZATION

       Delaware
--------------------------------------------------------------------------------
                    7     SOLE VOTING POWER

NUMBER OF                 0
SHARES                    -----------------------------------
BENEFICIALLY        8     SHARED VOTING POWER
OWNED BY
EACH                      836,588
REPORTING                 -----------------------------------
PERSON              9     SOLE DISPOSITIVE POWER

                          0
                          -----------------------------------
                    10    SHARED DISPOSITIVE POWER

                          836,588
                          -----------------------------------

11     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       836,588
--------------------------------------------------------------------------------
12     CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
       CERTAIN SHARES                                              |_|

--------------------------------------------------------------------------------
13     PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

       6.71%
--------------------------------------------------------------------------------
14     TYPE OF REPORTING PERSON

       OO
--------------------------------------------------------------------------------


CUSIP NO.:  769627100
1      NAMES OF REPORTING PERSONS
       I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

       MJX Flag Associates, LLC
--------------------------------------------------------------------------------
2      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP      (a)   |_|
                                                             (b)   |X|

--------------------------------------------------------------------------------
3      SEC USE ONLY


--------------------------------------------------------------------------------
4      SOURCE OF FUNDS

       AF
--------------------------------------------------------------------------------
5      CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
       PURSUANT TO ITEM 2(d) or 2(e)                               |_|

--------------------------------------------------------------------------------
6      CITIZENSHIP OR PLACE OF ORGANIZATION

       Delaware
--------------------------------------------------------------------------------
                    7     SOLE VOTING POWER

NUMBER OF                 0
SHARES                    -----------------------------------
BENEFICIALLY        8     SHARED VOTING POWER
OWNED BY
EACH                      836,588
REPORTING                 -----------------------------------
PERSON              9     SOLE DISPOSITIVE POWER

                          0
                          -----------------------------------
                    10    SHARED DISPOSITIVE POWER

                          836,588
                          -----------------------------------

11     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       836,588
--------------------------------------------------------------------------------
12     CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
       CERTAIN SHARES                                              |_|

--------------------------------------------------------------------------------
13     PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

       6.71%
--------------------------------------------------------------------------------
14     TYPE OF REPORTING PERSON

       OO
--------------------------------------------------------------------------------


CUSIP NO.:  769627100
1      NAMES OF REPORTING PERSONS
       I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

       LMN 134 Family Company LLC
--------------------------------------------------------------------------------
2      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP      (a)   |_|
                                                             (b)   |X|

--------------------------------------------------------------------------------
3      SEC USE ONLY


--------------------------------------------------------------------------------
4      SOURCE OF FUNDS

       AF
--------------------------------------------------------------------------------
5      CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
       PURSUANT TO ITEM 2(d) or 2(e)                               |_|

--------------------------------------------------------------------------------
6      CITIZENSHIP OR PLACE OF ORGANIZATION

       Delaware
--------------------------------------------------------------------------------
                    7     SOLE VOTING POWER

NUMBER OF                 0
SHARES                    -----------------------------------
BENEFICIALLY        8     SHARED VOTING POWER
OWNED BY
EACH                      836,588
REPORTING                 -----------------------------------
PERSON              9     SOLE DISPOSITIVE POWER

                          0
                          -----------------------------------
                    10    SHARED DISPOSITIVE POWER

                          836,588
                          -----------------------------------

11     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       836,588
--------------------------------------------------------------------------------
12     CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
       CERTAIN SHARES                                              |_|

--------------------------------------------------------------------------------
13     PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

       6.71%
--------------------------------------------------------------------------------
14     TYPE OF REPORTING PERSON

       OO
--------------------------------------------------------------------------------


CUSIP NO.:  769627100
1      NAMES OF REPORTING PERSONS
       I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

       Mitchell J. Nelson
--------------------------------------------------------------------------------
2      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP      (a)   |_|
                                                             (b)   |X|

--------------------------------------------------------------------------------
3      SEC USE ONLY


--------------------------------------------------------------------------------
4      SOURCE OF FUNDS

       OO
--------------------------------------------------------------------------------
5      CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
       PURSUANT TO ITEM 2(d) or 2(e)                               |_|

--------------------------------------------------------------------------------
6      CITIZENSHIP OR PLACE OF ORGANIZATION

       United States
--------------------------------------------------------------------------------
                    7     SOLE VOTING POWER

NUMBER OF                 0
SHARES                    -----------------------------------
BENEFICIALLY        8     SHARED VOTING POWER
OWNED BY
EACH                      836,588
REPORTING                 -----------------------------------
PERSON              9     SOLE DISPOSITIVE POWER

                          0
                          -----------------------------------
                    10    SHARED DISPOSITIVE POWER

                          836,588
                          -----------------------------------

11     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       836,588
--------------------------------------------------------------------------------
12     CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
       CERTAIN SHARES                                              |_|

--------------------------------------------------------------------------------
13     PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

       6.71%
--------------------------------------------------------------------------------
14     TYPE OF REPORTING PERSON

       IN
--------------------------------------------------------------------------------


CUSIP NO.:  769627100
1      NAMES OF REPORTING PERSONS
       I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

       ONIROT Living Trust dated 6/20/2000
--------------------------------------------------------------------------------
2      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP      (a)   |_|
                                                             (b)   |X|

--------------------------------------------------------------------------------
3      SEC USE ONLY


--------------------------------------------------------------------------------
4      SOURCE OF FUNDS

       WC
--------------------------------------------------------------------------------
5      CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
       PURSUANT TO ITEM 2(d) or 2(e)                               |_|

--------------------------------------------------------------------------------
6      CITIZENSHIP OR PLACE OF ORGANIZATION

       Delaware
--------------------------------------------------------------------------------
                    7     SOLE VOTING POWER

NUMBER OF                 0
SHARES                    -----------------------------------
BENEFICIALLY        8     SHARED VOTING POWER
OWNED BY
EACH                      836,588
REPORTING                 -----------------------------------
PERSON              9     SOLE DISPOSITIVE POWER

                          0
                          -----------------------------------
                    10    SHARED DISPOSITIVE POWER

                          836,588
                          -----------------------------------

11     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       836,588
--------------------------------------------------------------------------------
12     CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
       CERTAIN SHARES                                              |_|

--------------------------------------------------------------------------------
13     PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

       6.71%
--------------------------------------------------------------------------------
14     TYPE OF REPORTING PERSON

       OO
--------------------------------------------------------------------------------


CUSIP NO.:  769627100
1      NAMES OF REPORTING PERSONS
       I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

       Flag Leisure Group, LLC
--------------------------------------------------------------------------------
2      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP      (a)   |_|
                                                             (b)   |X|

--------------------------------------------------------------------------------
3      SEC USE ONLY


--------------------------------------------------------------------------------
4      SOURCE OF FUNDS

       AF
--------------------------------------------------------------------------------
5      CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
       PURSUANT TO ITEM 2(d) or 2(e)                               |_|

--------------------------------------------------------------------------------
6      CITIZENSHIP OR PLACE OF ORGANIZATION

       Delaware
--------------------------------------------------------------------------------
                    7     SOLE VOTING POWER

NUMBER OF                 0
SHARES                    -----------------------------------
BENEFICIALLY        8     SHARED VOTING POWER
OWNED BY
EACH                      836,588
REPORTING                 -----------------------------------
PERSON              9     SOLE DISPOSITIVE POWER

                          0
                          -----------------------------------
                    10    SHARED DISPOSITIVE POWER

                          836,588
                          -----------------------------------

11     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       836,588
--------------------------------------------------------------------------------
12     CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
       CERTAIN SHARES                                              |_|

--------------------------------------------------------------------------------
13     PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

       6.71%
--------------------------------------------------------------------------------
14     TYPE OF REPORTING PERSON

       OO
--------------------------------------------------------------------------------


CUSIP NO.:  769627100
1      NAMES OF REPORTING PERSONS
       I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

       MJX Real Estate Ventures, LLC
--------------------------------------------------------------------------------
2      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP      (a)   |_|
                                                             (b)   |X|

--------------------------------------------------------------------------------
3      SEC USE ONLY


--------------------------------------------------------------------------------
4      SOURCE OF FUNDS

       AF
--------------------------------------------------------------------------------
5      CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
       PURSUANT TO ITEM 2(d) or 2(e)                               |_|

--------------------------------------------------------------------------------
6      CITIZENSHIP OR PLACE OF ORGANIZATION

       Delaware
--------------------------------------------------------------------------------
                    7     SOLE VOTING POWER

NUMBER OF                 0
SHARES                    -----------------------------------
BENEFICIALLY        8     SHARED VOTING POWER
OWNED BY
EACH                      836,588
REPORTING                 -----------------------------------
PERSON              9     SOLE DISPOSITIVE POWER

                          0
                          -----------------------------------
                    10    SHARED DISPOSITIVE POWER

                          836,588
                          -----------------------------------

11     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       836,588
--------------------------------------------------------------------------------
12     CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
       CERTAIN SHARES                                              |_|

--------------------------------------------------------------------------------
13     PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

       6.71%
--------------------------------------------------------------------------------
14     TYPE OF REPORTING PERSON

       OO
--------------------------------------------------------------------------------


CUSIP NO.:  769627100
1      NAMES OF REPORTING PERSONS
       I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

       Robert F.X. Sillerman
--------------------------------------------------------------------------------
2      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP      (a)   |_|
                                                             (b)   |X|

--------------------------------------------------------------------------------
3      SEC USE ONLY


--------------------------------------------------------------------------------
4      SOURCE OF FUNDS

       OO
--------------------------------------------------------------------------------
5      CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
       PURSUANT TO ITEM 2(d) or 2(e)                               |_|

--------------------------------------------------------------------------------
6      CITIZENSHIP OR PLACE OF ORGANIZATION

       United States
--------------------------------------------------------------------------------

                    7     SOLE VOTING POWER

NUMBER OF                 0
SHARES                    -----------------------------------
BENEFICIALLY        8     SHARED VOTING POWER
OWNED BY
EACH                      836,588
REPORTING                 -----------------------------------
PERSON              9     SOLE DISPOSITIVE POWER

                          0
                          -----------------------------------
                    10    SHARED DISPOSITIVE POWER

                          836,588
                          -----------------------------------

11     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       836,588
--------------------------------------------------------------------------------
12     CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
       CERTAIN SHARES                                              |_|

--------------------------------------------------------------------------------
13     PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

       6.71%
--------------------------------------------------------------------------------
14     TYPE OF REPORTING PERSON

       IN
--------------------------------------------------------------------------------


CUSIP NO.:  769627100
1      NAMES OF REPORTING PERSONS
       I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

       Paul Kanavos
--------------------------------------------------------------------------------
2      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP      (a)   |_|
                                                             (b)   |X|
--------------------------------------------------------------------------------
3      SEC USE ONLY


--------------------------------------------------------------------------------
4      SOURCE OF FUNDS

       OO
--------------------------------------------------------------------------------
5      CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
       PURSUANT TO ITEM 2(d) or 2(e)                               |_|

--------------------------------------------------------------------------------
6      CITIZENSHIP OR PLACE OF ORGANIZATION

       United States
--------------------------------------------------------------------------------
                    7     SOLE VOTING POWER

NUMBER OF                 0
SHARES                    -----------------------------------
BENEFICIALLY        8     SHARED VOTING POWER
OWNED BY
EACH                      836,588
REPORTING                 -----------------------------------
PERSON              9     SOLE DISPOSITIVE POWER

                          0
                          -----------------------------------
                    10    SHARED DISPOSITIVE POWER

                          836,588
                          -----------------------------------

11     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       836,588
--------------------------------------------------------------------------------
12     CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
       CERTAIN SHARES                                              |_|

--------------------------------------------------------------------------------
13     PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

       6.71%
--------------------------------------------------------------------------------
14     TYPE OF REPORTING PERSON

       IN
--------------------------------------------------------------------------------


CUSIP NO.:  769627100
1      NAMES OF REPORTING PERSONS
       I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

       Brett Torino
--------------------------------------------------------------------------------
2      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP      (a)   |_|
                                                             (b)   |X|

--------------------------------------------------------------------------------
3      SEC USE ONLY


--------------------------------------------------------------------------------
4      SOURCE OF FUNDS

       WC
--------------------------------------------------------------------------------
5      CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
       PURSUANT TO ITEM 2(d) or 2(e)                               |_|

--------------------------------------------------------------------------------
6      CITIZENSHIP OR PLACE OF ORGANIZATION

       United States
--------------------------------------------------------------------------------
                    7     SOLE VOTING POWER

NUMBER OF                 0
SHARES                    -----------------------------------
BENEFICIALLY        8     SHARED VOTING POWER
OWNED BY
EACH                      836,588
REPORTING                 -----------------------------------
PERSON              9     SOLE DISPOSITIVE POWER

                          0
                          -----------------------------------
                    10    SHARED DISPOSITIVE POWER

                          836,588
                          -----------------------------------

11     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       836,588
--------------------------------------------------------------------------------
12     CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
       CERTAIN SHARES                                              |_|

--------------------------------------------------------------------------------
13     PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

       6.71%
--------------------------------------------------------------------------------
14     TYPE OF REPORTING PERSON

       IN
--------------------------------------------------------------------------------


CUSIP NO.:  769627100
1      NAMES OF REPORTING PERSONS
       I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

       Rivacq LLC
--------------------------------------------------------------------------------
2      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP      (a)   |_|
                                                             (b)   |X|

--------------------------------------------------------------------------------
3      SEC USE ONLY


--------------------------------------------------------------------------------
4      SOURCE OF FUNDS

       AF
--------------------------------------------------------------------------------
5      CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
       PURSUANT TO ITEM 2(d) or 2(e)                               |_|

--------------------------------------------------------------------------------
6      CITIZENSHIP OR PLACE OF ORGANIZATION

       Delaware
--------------------------------------------------------------------------------
                    7     SOLE VOTING POWER

NUMBER OF                 319,995
SHARES                    -----------------------------------
BENEFICIALLY        8     SHARED VOTING POWER
OWNED BY
EACH                      0
REPORTING                 -----------------------------------
PERSON              9     SOLE DISPOSITIVE POWER

                          319,995
                          -----------------------------------
                    10    SHARED DISPOSITIVE POWER

                          0
                          -----------------------------------

11     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       319,995
--------------------------------------------------------------------------------
12     CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
       CERTAIN SHARES                                              |_|

--------------------------------------------------------------------------------
13     PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

       2.57%
--------------------------------------------------------------------------------
14     TYPE OF REPORTING PERSON

       OO
--------------------------------------------------------------------------------


CUSIP NO.:  769627100
1      NAMES OF REPORTING PERSONS
       I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

       SOF U.S. Hotel Co-Invest Holdings, L.L.C
--------------------------------------------------------------------------------
2      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP      (a)   |_|
                                                             (b)   |X|

--------------------------------------------------------------------------------
3      SEC USE ONLY


--------------------------------------------------------------------------------
4      SOURCE OF FUNDS

       AF
--------------------------------------------------------------------------------
5      CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
       PURSUANT TO ITEM 2(d) or 2(e)                               |_|

--------------------------------------------------------------------------------
6      CITIZENSHIP OR PLACE OF ORGANIZATION

       Delaware
--------------------------------------------------------------------------------
                    7     SOLE VOTING POWER

NUMBER OF                 0
SHARES                    -----------------------------------
BENEFICIALLY        8     SHARED VOTING POWER
OWNED BY
EACH                      319,995
REPORTING                 -----------------------------------
PERSON              9     SOLE DISPOSITIVE POWER

                          0
                          -----------------------------------
                    10    SHARED DISPOSITIVE POWER

                          319,995
                          -----------------------------------

11     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       319,995
--------------------------------------------------------------------------------
12     CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
       CERTAIN SHARES                                              |_|

--------------------------------------------------------------------------------
13     PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

       2.57%
--------------------------------------------------------------------------------
14     TYPE OF REPORTING PERSON

       OO
--------------------------------------------------------------------------------


CUSIP NO.:  769627100
1      NAMES OF REPORTING PERSONS
       I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

       SOF-VII U.S. Hotel Holdings, L.L.C.
--------------------------------------------------------------------------------
2      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP      (a)   |_|
                                                             (b)   |X|

--------------------------------------------------------------------------------
3      SEC USE ONLY


--------------------------------------------------------------------------------
4      SOURCE OF FUNDS

       AF
--------------------------------------------------------------------------------
5      CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
       PURSUANT TO ITEM 2(d) or 2(e)                               |_|

--------------------------------------------------------------------------------
6      CITIZENSHIP OR PLACE OF ORGANIZATION

       Delaware
--------------------------------------------------------------------------------
                    7     SOLE VOTING POWER

NUMBER OF                 0
SHARES                    -----------------------------------
BENEFICIALLY        8     SHARED VOTING POWER
OWNED BY
EACH                      319,995
REPORTING                 -----------------------------------
PERSON              9     SOLE DISPOSITIVE POWER

                          0
                          -----------------------------------
                    10    SHARED DISPOSITIVE POWER

                          319,995
                          -----------------------------------

11     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       319,995
--------------------------------------------------------------------------------
12     CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
       CERTAIN SHARES                                              |_|

--------------------------------------------------------------------------------
13     PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

       2.57%
--------------------------------------------------------------------------------
14     TYPE OF REPORTING PERSON

       OO
--------------------------------------------------------------------------------


CUSIP NO.:  769627100
1      NAMES OF REPORTING PERSONS
       I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

       I-1/I-2 U.S. Holdings, L.L.C.
--------------------------------------------------------------------------------
2      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP      (a)   |_|
                                                             (b)   |X|

--------------------------------------------------------------------------------
3      SEC USE ONLY


--------------------------------------------------------------------------------
4      SOURCE OF FUNDS

       AF
--------------------------------------------------------------------------------
5      CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
       PURSUANT TO ITEM 2(d) or 2(e)                               |_|

--------------------------------------------------------------------------------
6      CITIZENSHIP OR PLACE OF ORGANIZATION

       Delaware
--------------------------------------------------------------------------------
                    7     SOLE VOTING POWER

NUMBER OF                 0
SHARES                    -----------------------------------
BENEFICIALLY        8     SHARED VOTING POWER
OWNED BY
EACH                      319,995
REPORTING                 -----------------------------------
PERSON              9     SOLE DISPOSITIVE POWER

                          0
                          -----------------------------------
                    10    SHARED DISPOSITIVE POWER

                          319,995
                          -----------------------------------

11     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       319,995
--------------------------------------------------------------------------------
12     CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
       CERTAIN SHARES                                              |_|

--------------------------------------------------------------------------------
13     PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

       2.57%
--------------------------------------------------------------------------------
14     TYPE OF REPORTING PERSON

       OO
--------------------------------------------------------------------------------


CUSIP NO.:  769627100
1      NAMES OF REPORTING PERSONS
       I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

       Starwood Global Opportunity Fund VII-A, L.P.
--------------------------------------------------------------------------------
2      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP      (a)   |_|
                                                             (b)   |X|

--------------------------------------------------------------------------------
3      SEC USE ONLY


--------------------------------------------------------------------------------
4      SOURCE OF FUNDS

       WC
--------------------------------------------------------------------------------
5      CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
       PURSUANT TO ITEM 2(d) or 2(e)                               |_|

--------------------------------------------------------------------------------
6      CITIZENSHIP OR PLACE OF ORGANIZATION

       Delaware
--------------------------------------------------------------------------------
                    7     SOLE VOTING POWER

NUMBER OF                 0
SHARES                    -----------------------------------
BENEFICIALLY        8     SHARED VOTING POWER
OWNED BY
EACH                      319,995
REPORTING                 -----------------------------------
PERSON              9     SOLE DISPOSITIVE POWER

                          0
                          -----------------------------------
                    10    SHARED DISPOSITIVE POWER

                          319,995
                          -----------------------------------

11     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       319,995
--------------------------------------------------------------------------------
12     CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
       CERTAIN SHARES                                              |_|

--------------------------------------------------------------------------------
13     PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

       2.57%
--------------------------------------------------------------------------------
14     TYPE OF REPORTING PERSON

       PN
--------------------------------------------------------------------------------


CUSIP NO.:  769627100
1      NAMES OF REPORTING PERSONS
       I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

       Starwood Global Opportunity Fund VII-B, L.P.
--------------------------------------------------------------------------------
2      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP      (a)   |_|
                                                             (b)   |X|

--------------------------------------------------------------------------------
3      SEC USE ONLY


--------------------------------------------------------------------------------
4      SOURCE OF FUNDS

       WC
--------------------------------------------------------------------------------
5      CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
       PURSUANT TO ITEM 2(d) or 2(e)                               |_|

--------------------------------------------------------------------------------
6      CITIZENSHIP OR PLACE OF ORGANIZATION

       Delaware
--------------------------------------------------------------------------------
                    7     SOLE VOTING POWER

NUMBER OF                 0
SHARES                    -----------------------------------
BENEFICIALLY        8     SHARED VOTING POWER
OWNED BY
EACH                      319,995
REPORTING                 -----------------------------------
PERSON              9     SOLE DISPOSITIVE POWER

                          0
                          -----------------------------------
                    10    SHARED DISPOSITIVE POWER

                          319,995
                          -----------------------------------

11     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       319,995
--------------------------------------------------------------------------------
12     CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
       CERTAIN SHARES                                              |_|

--------------------------------------------------------------------------------
13     PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

       2.57%
--------------------------------------------------------------------------------
14     TYPE OF REPORTING PERSON

       PN
--------------------------------------------------------------------------------


CUSIP NO.:  769627100
1      NAMES OF REPORTING PERSONS
       I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

       Starwood US Opportunity Fund VII-D, L.P.
--------------------------------------------------------------------------------
2      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP      (a)   |_|
                                                             (b)   |X|

--------------------------------------------------------------------------------
3      SEC USE ONLY


--------------------------------------------------------------------------------
4      SOURCE OF FUNDS

       WC
--------------------------------------------------------------------------------
5      CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
       PURSUANT TO ITEM 2(d) or 2(e)                               |_|

--------------------------------------------------------------------------------
6      CITIZENSHIP OR PLACE OF ORGANIZATION

       Delaware
--------------------------------------------------------------------------------
                    7     SOLE VOTING POWER

NUMBER OF                 0
SHARES                    -----------------------------------
BENEFICIALLY        8     SHARED VOTING POWER
OWNED BY
EACH                      319,995
REPORTING                 -----------------------------------
PERSON              9     SOLE DISPOSITIVE POWER

                          0
                          -----------------------------------
                    10    SHARED DISPOSITIVE POWER

                          319,995
                          -----------------------------------

11     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       319,995
--------------------------------------------------------------------------------
12     CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
       CERTAIN SHARES                                              |_|

--------------------------------------------------------------------------------
13     PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

       2.57%
--------------------------------------------------------------------------------
14     TYPE OF REPORTING PERSON

       PN
--------------------------------------------------------------------------------


CUSIP NO.:  769627100
1      NAMES OF REPORTING PERSONS
       I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

       Starwood US Opportunity Fund VII-D-2, L.P.
--------------------------------------------------------------------------------
2      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP      (a)   |_|
                                                             (b)   |X|

--------------------------------------------------------------------------------
3      SEC USE ONLY


--------------------------------------------------------------------------------
4      SOURCE OF FUNDS

       WC
--------------------------------------------------------------------------------
5      CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
       PURSUANT TO ITEM 2(d) or 2(e)                               |_|

--------------------------------------------------------------------------------
6      CITIZENSHIP OR PLACE OF ORGANIZATION

       Delaware
--------------------------------------------------------------------------------
                    7     SOLE VOTING POWER

NUMBER OF                 0
SHARES                    -----------------------------------
BENEFICIALLY        8     SHARED VOTING POWER
OWNED BY
EACH                      319,995
REPORTING                 -----------------------------------
PERSON              9     SOLE DISPOSITIVE POWER

                          0
                          -----------------------------------
                    10    SHARED DISPOSITIVE POWER

                          319,995
                          -----------------------------------

11     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       319,995
--------------------------------------------------------------------------------
12     CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
       CERTAIN SHARES                                              |_|

--------------------------------------------------------------------------------
13     PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

       2.57%
--------------------------------------------------------------------------------
14     TYPE OF REPORTING PERSON

       PN
--------------------------------------------------------------------------------


CUSIP NO.:  769627100
1      NAMES OF REPORTING PERSONS
       I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

       Starwood Capital Hospitality Fund I-1, L.P.
--------------------------------------------------------------------------------
2      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP      (a)   |_|
                                                             (b)   |X|

--------------------------------------------------------------------------------
3      SEC USE ONLY


--------------------------------------------------------------------------------
4      SOURCE OF FUNDS

       WC
--------------------------------------------------------------------------------
5      CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
       PURSUANT TO ITEM 2(d) or 2(e)                               |_|

--------------------------------------------------------------------------------
6      CITIZENSHIP OR PLACE OF ORGANIZATION

       Delaware
--------------------------------------------------------------------------------
                    7     SOLE VOTING POWER

NUMBER OF                 0
SHARES                    -----------------------------------
BENEFICIALLY        8     SHARED VOTING POWER
OWNED BY
EACH                      319,995
REPORTING                 -----------------------------------
PERSON              9     SOLE DISPOSITIVE POWER

                          0
                          -----------------------------------
                    10    SHARED DISPOSITIVE POWER

                          319,995
                          -----------------------------------

11     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       319,995
--------------------------------------------------------------------------------
12     CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
       CERTAIN SHARES                                              |_|

--------------------------------------------------------------------------------
13     PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

       2.57%
--------------------------------------------------------------------------------
14     TYPE OF REPORTING PERSON

       PN
--------------------------------------------------------------------------------


CUSIP NO.:  769627100
1      NAMES OF REPORTING PERSONS
       I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

       Starwood Capital Hospitality Fund I-2, L.P.
--------------------------------------------------------------------------------
2      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP      (a)   |_|
                                                             (b)   |X|

--------------------------------------------------------------------------------
3      SEC USE ONLY


--------------------------------------------------------------------------------
4      SOURCE OF FUNDS

       WC
--------------------------------------------------------------------------------
5      CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
       PURSUANT TO ITEM 2(d) or 2(e)                               |_|

--------------------------------------------------------------------------------
6      CITIZENSHIP OR PLACE OF ORGANIZATION

       Delaware
--------------------------------------------------------------------------------
                    7     SOLE VOTING POWER

NUMBER OF                 0
SHARES                    -----------------------------------
BENEFICIALLY        8     SHARED VOTING POWER
OWNED BY
EACH                      319,995
REPORTING                 -----------------------------------
PERSON              9     SOLE DISPOSITIVE POWER

                          0
                          -----------------------------------
                    10    SHARED DISPOSITIVE POWER

                          319,995
                          -----------------------------------

11     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       319,995
--------------------------------------------------------------------------------
12     CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
       CERTAIN SHARES                                              |_|

--------------------------------------------------------------------------------
13     PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

       2.57%
--------------------------------------------------------------------------------
14     TYPE OF REPORTING PERSON

       PN
--------------------------------------------------------------------------------


CUSIP NO.:  769627100
1      NAMES OF REPORTING PERSONS
       I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

       SOF-VII U.S. Management, L.L.C.
--------------------------------------------------------------------------------
2      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP      (a)   |_|
                                                             (b)   |X|

--------------------------------------------------------------------------------
3      SEC USE ONLY


--------------------------------------------------------------------------------
4      SOURCE OF FUNDS

       AF
--------------------------------------------------------------------------------
5      CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
       PURSUANT TO ITEM 2(d) or 2(e)                               |_|

--------------------------------------------------------------------------------
6      CITIZENSHIP OR PLACE OF ORGANIZATION

       Delaware
--------------------------------------------------------------------------------
                    7     SOLE VOTING POWER

NUMBER OF                 0
SHARES                    -----------------------------------
BENEFICIALLY        8     SHARED VOTING POWER
OWNED BY
EACH                      319,995
REPORTING                 -----------------------------------
PERSON              9     SOLE DISPOSITIVE POWER

                          0
                          -----------------------------------
                    10    SHARED DISPOSITIVE POWER

                          319,995
                          -----------------------------------

11     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       319,995
--------------------------------------------------------------------------------
12     CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
       CERTAIN SHARES                                              |_|

--------------------------------------------------------------------------------
13     PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

       2.57%
--------------------------------------------------------------------------------
14     TYPE OF REPORTING PERSON

       OO
--------------------------------------------------------------------------------


CUSIP NO.:  769627100
1      NAMES OF REPORTING PERSONS
       I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

       SCG Hotel Management, L.L.C.
--------------------------------------------------------------------------------
2      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP      (a)   |_|
                                                             (b)   |X|

--------------------------------------------------------------------------------
3      SEC USE ONLY


--------------------------------------------------------------------------------
4      SOURCE OF FUNDS

       AF
--------------------------------------------------------------------------------
5      CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
       PURSUANT TO ITEM 2(d) or 2(e)                               |_|

--------------------------------------------------------------------------------
6      CITIZENSHIP OR PLACE OF ORGANIZATION

       Delaware
--------------------------------------------------------------------------------
                    7     SOLE VOTING POWER

NUMBER OF                 0
SHARES                    -----------------------------------
BENEFICIALLY        8     SHARED VOTING POWER
OWNED BY
EACH                      319,995
REPORTING                 -----------------------------------
PERSON              9     SOLE DISPOSITIVE POWER

                          0
                          -----------------------------------
                    10    SHARED DISPOSITIVE POWER

                          319,995
                          -----------------------------------

11     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       319,995
--------------------------------------------------------------------------------
12     CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
       CERTAIN SHARES                                              |_|

--------------------------------------------------------------------------------
13     PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

       2.57%
--------------------------------------------------------------------------------
14     TYPE OF REPORTING PERSON

       OO
--------------------------------------------------------------------------------


CUSIP NO.:  769627100
1      NAMES OF REPORTING PERSONS
       I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

       Starwood Capital Group Global, LLC
--------------------------------------------------------------------------------
2      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP      (a)   |_|
                                                             (b)   |X|

--------------------------------------------------------------------------------
3      SEC USE ONLY


--------------------------------------------------------------------------------
4      SOURCE OF FUNDS

       AF
--------------------------------------------------------------------------------
5      CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
       PURSUANT TO ITEM 2(d) or 2(e)                               |_|

--------------------------------------------------------------------------------
6      CITIZENSHIP OR PLACE OF ORGANIZATION

       Connecticut
--------------------------------------------------------------------------------
                    7     SOLE VOTING POWER

NUMBER OF                 0
SHARES                    -----------------------------------
BENEFICIALLY        8     SHARED VOTING POWER
OWNED BY
EACH                      319,995
REPORTING                 -----------------------------------
PERSON              9     SOLE DISPOSITIVE POWER

                          0
                          -----------------------------------
                    10    SHARED DISPOSITIVE POWER

                          319,995
                          -----------------------------------

11     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       319,995
--------------------------------------------------------------------------------
12     CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
       CERTAIN SHARES                                              |_|

--------------------------------------------------------------------------------
13     PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

       2.57%
--------------------------------------------------------------------------------
14     TYPE OF REPORTING PERSON

       OO
--------------------------------------------------------------------------------


CUSIP NO.:  769627100
1      NAMES OF REPORTING PERSONS
       I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

       Barry S. Sternlicht
--------------------------------------------------------------------------------
2      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP      (a)   |_|
                                                             (b)   |X|

--------------------------------------------------------------------------------
3      SEC USE ONLY


--------------------------------------------------------------------------------
4      SOURCE OF FUNDS

       OO
--------------------------------------------------------------------------------
5      CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
       PURSUANT TO ITEM 2(d) or 2(e)                               |_|

--------------------------------------------------------------------------------
6      CITIZENSHIP OR PLACE OF ORGANIZATION

       United States
--------------------------------------------------------------------------------
                    7     SOLE VOTING POWER

NUMBER OF                 123,200
SHARES                    -----------------------------------
BENEFICIALLY        8     SHARED VOTING POWER
OWNED BY
EACH                      319,995
REPORTING                 -----------------------------------
PERSON              9     SOLE DISPOSITIVE POWER

                          123,200
                          -----------------------------------
                    10    SHARED DISPOSITIVE POWER

                          319,995
                          -----------------------------------

11     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       443,195
--------------------------------------------------------------------------------
12     CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
       CERTAIN SHARES                                              |_|

--------------------------------------------------------------------------------
13     PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

       3.56%
--------------------------------------------------------------------------------
14     TYPE OF REPORTING PERSON

       IN
--------------------------------------------------------------------------------


      This Amendment No. 20 amends and supplements the statement on Schedule 13D
(the "Statement") originally filed with the Securities and Exchange Commission
on December 28, 2005, and amended by Amendment No. 1 on March 3, 2006, Amendment
No. 2 on March 23, 2006, Amendment No. 3 on April 5, 2006, Amendment No. 4 on
May 18, 2006, Amendment No. 5 on August 2, 2006, Amendment No. 6 on August 4,
2006, Amendment No. 7 on March 12, 2007, Amendment No. 8 on March 23, 2007,
Amendment No. 9 on March 26, 2007, Amendment No. 10 on March 30, 2007, Amendment
No. 11 on April 17, 2007, Amendment No. 12 on April 27, 2007, Amendment No. 13
on May 4, 2007, Amendment No. 14 on May 15, 2007, Amendment No. 15 on May 16,
2007, Amendment No. 16 on May 30, 2007, Amendment No. 17 on June 1, 2007,
Amendment No. 18 on June 5, 2007 and Amendment No. 19 on June 11, 2007 by Flag
Luxury Riv, LLC; FX Luxury Realty, LLC; CKX, Inc.; Flag Luxury Properties, LLC;
MJX Flag Associates, LLC; Flag Leisure Group, LLC; MJX Real Estate Ventures,
LLC; LMN 134 Family Company LLC; Mitchell Nelson; ONIROT Living Trust dated
6/20/2000; Robert F.X. Sillerman; Paul Kanavos; RH1, LLC; Brett Torino; Rivacq
LLC; SOF U.S. Hotel Co-Invest Holdings, L.L.C.; SOF-VII US Hotel Holdings,
L.L.C.; I-1/I-2 U.S. Holdings, L.L.C.; Starwood Global Opportunity Fund VII-A,
L.P.; Starwood Global Opportunity Fund VII-B, L.P.; Starwood U.S. Opportunity
Fund VII-D, L.P.; Starwood U.S. Opportunity Fund VII-D-2, L.P.; Starwood Capital
Hospitality Fund I-1, L.P.; Starwood Capital Hospitality Fund I-2, L.P.; SOF-VII
Management, L.L.C.; SCG Hotel Management, L.L.C.; Starwood Capital Group Global,
LLC; and Barry S. Sternlicht with respect to the common stock, par value $0.001
per share, of Riviera Holdings Corporation, a Nevada corporation. Unless
otherwise indicated, each capitalized term used but not defined herein shall
have the meaning assigned to such term in the Statement. From and after the date
hereof, all references in the Statement to the Statement or terms of similar
import shall be deemed to refer to the Statement as amended and supplemented
hereby.

      The Reporting Persons have entered into a Sixth Amended and Restated Joint
Filing Agreement, dated as of June 4, 2007, a copy of which is filed herewith as
Exhibit 10.27 to the Statement, and which is incorporated herein by reference.
Neither the fact of this filing nor anything contained herein shall be deemed an
admission by the Reporting Persons that they constitute a "group" as such term
is used in Section 13(d)(1)(k) of the rules and regulations under the Securities
Exchange Act of 1934, as amended.

ITEM 1. SECURITY AND ISSUER

      Response unchanged.

ITEM 2. IDENTITY AND BACKGROUND

      Response unchanged.

ITEM 3. SOURCE AND AMOUNT OF FUNDS OR OTHER CONSIDERATION

      Response unchanged.

ITEM 4. PURPOSE OF TRANSACTION

      Item 4 is hereby supplemented as follows:

      On June 19, 2007, Parent sent a letter (the "June 19 Extension Letter") to
T5 indicating that Parent was extending the term of the T5 Option for thirty
days commencing on June 20, 2007. In consideration for this extension, Parent
wired to T5 an amount equal to $173,547.29.

      The foregoing and subsequent references to, and descriptions of, the June
19 Extension Letter, are qualified in their entirety by reference to such June
19 Extension Letter, which is incorporated by reference to Exhibit 10.30 hereto.



ITEM 5. INTEREST IN SECURITIES OF THE COMPANY

      Item 5 is hereby supplemented as follows:

      Response unchanged.

ITEM 6. CONTRACTS, ARRANGEMENTS, UNDERSTANDINGS, OR RELATIONSHIPS WITH RESPECT
TO SECURITIES OF THE COMPANY.

      Item 6 is hereby supplemented as follows:

      26. On June 19, 2007, Parent sent to T5 the June 19 Extension Letter. A
copy of the June 19 Extension Letter is filed herewith as Exhibit 10.30 and
incorporated herein by reference.

ITEM 7. MATERIAL TO BE FILED AS EXHIBITS.

      Item 7 is hereby supplemented as follows:

      10.30  Letter from Riv Acquisition Holdings to Triple Five Investco, LLC,
             via Syd Ghermezian, dated June 19, 2007.



                                    SIGNATURE

      After reasonable inquiry and to the best of my knowledge and belief, I
certify that the information set forth in this statement is true, complete and
correct.

                                    Flag Luxury Riv, LLC

                                    By:   /s/ Paul Kanavos
                                          ------------------------------
                                    Name:  Paul Kanavos
                                    Title: President

                                    RH1, LLC

                                    By:   Flag Leisure Group, LLC
                                          ------------------------------
                                          Its sole member

                                          By:   /s/ Paul Kanavos
                                                ------------------------------
                                                Name:  Paul Kanavos
                                                Title: President

                                    Flag Leisure Group, LLC

                                    By:   /s/ Paul Kanavos
                                          ------------------------------
                                    Name:  Paul Kanavos
                                    Title: President

                                    Flag Luxury Properties, LLC

                                    By:   /s/ Paul Kanavos
                                          ------------------------------
                                    Name:  Paul Kanavos
                                    Title: President

                                    Paul Kanavos

                                    /s/ Paul Kanavos
                                    ------------------------------------


                                    FX Luxury Realty, LLC

                                       By: Flag Luxury Properties, LLC
                                           ------------------------------

                                           By:  /s/ Paul Kanavos
                                                -------------------------
                                           Name:  Paul Kanavos
                                           Title: President

                                       By: CKX, Inc.
                                           -------------------------------

                                           By:   /s/ Robert F.X. Sillerman
                                                 -------------------------
                                           Name:  Robert F.X. Sillerman
                                           Title: Chief Executive Officer



                                    MJX Flag Associates, LLC

                                    By:   /s/  Robert F.X. Sillerman
                                          ------------------------------
                                    Name:  Member
                                    Title: Robert F.X. Sillerman

                                    CKX, Inc.

                                    By:   /s/ Robert F.X. Sillerman
                                          ------------------------------
                                    Name:  Robert F.X. Sillerman
                                    Title: Chief Executive Officer

                                    MJX Real Estate Ventures, LLC

                                    By:   /s/  Robert F.X. Sillerman
                                          ------------------------------
                                    Name:  Robert F.X. Sillerman
                                    Title: Member

                                    Robert F.X. Sillerman

                                    /s/  Robert F.X. Sillerman
                                    ------------------------------------



                                    LMN 134 Family Company LLC

                                    By:   /s/  Mitchell J. Nelson
                                          ------------------------------
                                    Name:  Mitchell J. Nelson
                                    Title: Managing Member

                                    Mitchell J. Nelson

                                    /s/  Mitchell J. Nelson
                                    ------------------------------------



                                    ONIROT Living Trust Dated 06/20/2000

                                    By: /s/  Brett Torino
                                    ------------------------------------
                                    Name:  Brett Torino
                                    Title: Trustee

                                    Brett Torino

                                    By: /s/  Brett Torino
                                    ------------------------------------



                                   Rivacq LLC

                                   By: SOF U.S. Hotel Co-Invest Holdings,
                                       L.L.C.

                                       By: SOF-VII U.S. Hotel Holdings, L.L.C.

                                          By:   /s/  Barry S. Sternlicht
                                              ----------------------------------
                                          Name:  Barry S. Sternlicht
                                          Title: Chief Executive Officer

                                       By: I-1/I-2 U.S. Holdings, L.L.C.

                                          By:   /s/  Barry S. Sternlicht
                                              ----------------------------------
                                          Name:  Barry S. Sternlicht
                                          Title: Chief Executive Officer

                                    SOF U.S. Hotel Co-Invest Holdings, L.L.C.

                                    By: SOF-VII U.S. Hotel Holdings, L.L.C.

                                       By:   /s/  Barry S. Sternlicht
                                           ----------------------------------
                                       Name:  Barry S. Sternlicht
                                       Title: Chief Executive Officer

                                    By: I-1/I-2 U.S. Holdings, L.L.C.

                                       By:   /s/  Barry S. Sternlicht
                                           ----------------------------------
                                       Name:  Barry S. Sternlicht
                                       Title: Chief Executive Officer

                                    SOF-VII U.S. Hotel Holdings, L.L.C.

                                    By:   /s/  Barry S. Sternlicht
                                        ----------------------------------
                                    Name:  Barry S. Sternlicht
                                    Title: Chief Executive Officer

                                    I-1/I-2 U.S. Holdings, L.L.C.

                                    By:   /s/  Barry S. Sternlicht
                                        ----------------------------------
                                    Name:  Barry S. Sternlicht
                                    Title: Chief Executive Officer



                                    Starwood Global Opportunity Fund VII-A, L.P.

                                    By: SOF-VII Management, L.L.C.
                                        Its general partner

                                        By: Starwood Capital Group Global,
                                            L.L.C.
                                        Its General manager

                                               By: /s/  Barry S. Sternlicht
                                                   -----------------------------
                                               Name:  Barry S. Sternlicht
                                               Title: Chief Executive Officer

                                    Starwood Global Opportunity Fund VII-B, L.P.

                                    By: SOF-VII Management, L.L.C.
                                    Its general partner

                                       By: Starwood Capital Group Global, L.L.C.
                                       Its General manager

                                               By: /s/  Barry S. Sternlicht
                                                  ------------------------------
                                               Name:  Barry S. Sternlicht
                                               Title: Chief Executive Officer

                                    Starwood U.S. Opportunity Fund VII-D, L.P.

                                    By: SOF-VII Management, L.L.C.
                                        ----------------------------------
                                        Its general partner

                                        By: Starwood Capital Group Global,
                                            L.L.C.
                                        Its General manager

                                               By: /s/ Barry S. Sternlicht
                                                  ------------------------------
                                               Name:  Barry S. Sternlicht
                                               Title: Chief Executive Officer

                                    Starwood U.S. Opportunity Fund VII-D-2, L.P.

                                    By: SOF-VII Management, L.L.C.
                                        Its general partner

                                        By: Starwood Capital Group Global,
                                            L.L.C.
                                        Its General manager

                                               By: /s/  Barry S. Sternlicht
                                                  ------------------------------
                                               Name:  Barry S. Sternlicht
                                               Title: Chief Executive Officer



                                    Starwood Capital Hospitality Fund I-1,L.P.

                                    By: SCG Hotel Management, L.L.C.
                                        ----------------------------------
                                        Its general partner

                                        By: Starwood Capital Group Global,
                                            L.L.C.
                                        Its General manager

                                               By: /s/  Barry S. Sternlicht
                                                  ------------------------------
                                               Name:  Barry S. Sternlicht
                                               Title: Chief Executive Officer

                                    Starwood Capital Hospitality Fund I-2, L.P.

                                    By: SCG Hotel Management, L.L.C.
                                        Its general partner

                                        By: Starwood Capital Group Global,
                                            L.L.C.
                                        Its General manager

                                              By: /s/  Barry S. Sternlicht
                                                 -------------------------------
                                              Name:  Barry S. Sternlicht
                                              Title: Chief Executive Officer

                                    SOF-VII Management, L.L.C.

                                    By: Starwood Capital Group Global, L.L.C.
                                        Its General manager

                                        By: /s/  Barry S. Sternlicht
                                           -------------------------------------
                                        Name:  Barry S. Sternlicht
                                        Title: Chief Executive Officer

                                    SCG Hotel Management, L.L.C.

                                    By: Starwood Capital Group Global, L.L.C.
                                           Its General manager

                                        By: /s/  Barry S. Sternlicht
                                           -------------------------------------
                                        Name:  Barry S. Sternlicht
                                        Title: Chief Executive Officer

                                    Starwood Capital Group Global, LLC

                                    By:   /s/  Barry S. Sternlicht
                                        ----------------------------------------
                                    Name:  Barry S. Sternlicht
                                    Title: Chief Executive Officer



                                    Barry S. Sternlicht

                                    /s/  Barry S. Sternlicht
                                    ------------------------------------------

Dated: June 19, 2007