UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 1)* Riviera Holdings Corp. -------------------------------------------------------------------------------- (Name of Issuer) Common Stock, $.001 per share -------------------------------------------------------------------------------- (Title of Class of Securities) 769627100 -------------------------------------------------------- (CUSIP Number) Jeffrey A. Legault Cadwalader, Wickersham & Taft LLP One World Financial Center New York, New York 10281 (212) 504-6721 -------------------------------------------------------------------------------- (Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications) May 11, 2009 -------------------------------------------------------- (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 that is the subject of this Schedule 13D, and is filing this schedule because of Rule 13d-1(e), Rule 13d-1(f) or Rule 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(b) 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 PERSON (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 ITEMS 2(d) or 2(e) |_| -------------------------------------------------------------------------------- 6 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware -------------------------------------------------------------------------------- 7 SOLE VOTING POWER 642,270 -------------------------------------------------------- NUMBER OF 8 SHARED VOTING POWER SHARES BENEFICIALLY 0 OWNED BY -------------------------------------------------------- EACH 9 SOLE DISPOSITIVE POWER REPORTING PERSON 642,270 -------------------------------------------------------- 10 SHARED DISPOSITIVE POWER 0 -------------------------------------------------------------------------------- 11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 642,270 -------------------------------------------------------------------------------- 12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES |_| -------------------------------------------------------------------------------- 13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 5.15% -------------------------------------------------------------------------------- 14 TYPE OF REPORTING PERSON OO -------------------------------------------------------------------------------- CUSIP NO. 769627100 1 NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSON (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 ITEMS 2(d) or 2(e) |_| -------------------------------------------------------------------------------- 6 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware -------------------------------------------------------------------------------- 7 SOLE VOTING POWER 0 -------------------------------------------------------- NUMBER OF 8 SHARED VOTING POWER SHARES BENEFICIALLY 642,270 OWNED BY -------------------------------------------------------- EACH 9 SOLE DISPOSITIVE POWER REPORTING PERSON 0 -------------------------------------------------------- 10 SHARED DISPOSITIVE POWER 642,270 -------------------------------------------------------------------------------- 11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 642,270 -------------------------------------------------------------------------------- 12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES |_| -------------------------------------------------------------------------------- 13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 5.15% -------------------------------------------------------------------------------- 14 TYPE OF REPORTING PERSON OO -------------------------------------------------------------------------------- CUSIP NO. 769627100 1 NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSON (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 ITEMS 2(d) or 2(e) |_| -------------------------------------------------------------------------------- 6 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware -------------------------------------------------------------------------------- 7 SOLE VOTING POWER 0 -------------------------------------------------------- NUMBER OF 8 SHARED VOTING POWER SHARES BENEFICIALLY 642,270 OWNED BY -------------------------------------------------------- EACH 9 SOLE DISPOSITIVE POWER REPORTING PERSON 0 -------------------------------------------------------- 10 SHARED DISPOSITIVE POWER 642,270 -------------------------------------------------------------------------------- 11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 642,270 -------------------------------------------------------------------------------- 12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES |_| -------------------------------------------------------------------------------- 13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 5.15% -------------------------------------------------------------------------------- 14 TYPE OF REPORTING PERSON OO -------------------------------------------------------------------------------- CUSIP NO. 769627100 1 NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSON (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 ITEMS 2(d) or 2(e) |_| -------------------------------------------------------------------------------- 6 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware -------------------------------------------------------------------------------- 7 SOLE VOTING POWER 0 -------------------------------------------------------- NUMBER OF 8 SHARED VOTING POWER SHARES BENEFICIALLY 642,270 OWNED BY -------------------------------------------------------- EACH 9 SOLE DISPOSITIVE POWER REPORTING PERSON 0 -------------------------------------------------------- 10 SHARED DISPOSITIVE POWER 642,270 -------------------------------------------------------------------------------- 11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 642,270 -------------------------------------------------------------------------------- 12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES |_| -------------------------------------------------------------------------------- 13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 5.15% -------------------------------------------------------------------------------- 14 TYPE OF REPORTING PERSON 00 -------------------------------------------------------------------------------- CUSIP NO. 769627100 1 NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSON (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 ITEMS 2(d) or 2(e) |_| -------------------------------------------------------------------------------- 6 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware -------------------------------------------------------------------------------- 7 SOLE VOTING POWER 0 -------------------------------------------------------- NUMBER OF 8 SHARED VOTING POWER SHARES BENEFICIALLY 642,270 OWNED BY -------------------------------------------------------- EACH 9 SOLE DISPOSITIVE POWER REPORTING PERSON 0 -------------------------------------------------------- 10 SHARED DISPOSITIVE POWER 642,270 -------------------------------------------------------------------------------- 11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 642,270 -------------------------------------------------------------------------------- 12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES |_| -------------------------------------------------------------------------------- 13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 5.15% -------------------------------------------------------------------------------- 14 TYPE OF REPORTING PERSON PN -------------------------------------------------------------------------------- CUSIP NO. 769627100 1 NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSON (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 ITEMS 2(d) or 2(e) |_| -------------------------------------------------------------------------------- 6 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware -------------------------------------------------------------------------------- 7 SOLE VOTING POWER 0 -------------------------------------------------------- NUMBER OF 8 SHARED VOTING POWER SHARES BENEFICIALLY 642,270 OWNED BY -------------------------------------------------------- EACH 9 SOLE DISPOSITIVE POWER REPORTING PERSON 0 -------------------------------------------------------- 10 SHARED DISPOSITIVE POWER 642,270 -------------------------------------------------------------------------------- 11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 642,270 -------------------------------------------------------------------------------- 12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES |_| -------------------------------------------------------------------------------- 13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 5.15% -------------------------------------------------------------------------------- 14 TYPE OF REPORTING PERSON PN -------------------------------------------------------------------------------- CUSIP NO. 769627100 1 NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSON (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 ITEMS 2(d) or 2(e) |_| -------------------------------------------------------------------------------- 6 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware -------------------------------------------------------------------------------- 7 SOLE VOTING POWER 0 -------------------------------------------------------- NUMBER OF 8 SHARED VOTING POWER SHARES BENEFICIALLY 642,270 OWNED BY -------------------------------------------------------- EACH 9 SOLE DISPOSITIVE POWER REPORTING PERSON 0 -------------------------------------------------------- 10 SHARED DISPOSITIVE POWER 642,270 -------------------------------------------------------------------------------- 11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 642,270 -------------------------------------------------------------------------------- 12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES |_| -------------------------------------------------------------------------------- 13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 5.15% -------------------------------------------------------------------------------- 14 TYPE OF REPORTING PERSON PN -------------------------------------------------------------------------------- CUSIP NO. 769627100 1 NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSON (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 ITEMS 2(d) or 2(e) |_| -------------------------------------------------------------------------------- 6 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware -------------------------------------------------------------------------------- 7 SOLE VOTING POWER 0 -------------------------------------------------------- NUMBER OF 8 SHARED VOTING POWER SHARES BENEFICIALLY 642,270 OWNED BY -------------------------------------------------------- EACH 9 SOLE DISPOSITIVE POWER REPORTING PERSON 0 -------------------------------------------------------- 10 SHARED DISPOSITIVE POWER 642,270 -------------------------------------------------------------------------------- 11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 642,270 -------------------------------------------------------------------------------- 12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES |_| -------------------------------------------------------------------------------- 13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 5.15% -------------------------------------------------------------------------------- 14 TYPE OF REPORTING PERSON PN -------------------------------------------------------------------------------- CUSIP NO. 769627100 1 NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSON (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 ITEMS 2(d) or 2(e) |_| -------------------------------------------------------------------------------- 6 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware -------------------------------------------------------------------------------- 7 SOLE VOTING POWER 0 -------------------------------------------------------- NUMBER OF 8 SHARED VOTING POWER SHARES BENEFICIALLY 642,270 OWNED BY -------------------------------------------------------- EACH 9 SOLE DISPOSITIVE POWER REPORTING PERSON 0 -------------------------------------------------------- 10 SHARED DISPOSITIVE POWER 642,270 -------------------------------------------------------------------------------- 11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 642,270 -------------------------------------------------------------------------------- 12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES |_| -------------------------------------------------------------------------------- 13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 5.15% -------------------------------------------------------------------------------- 14 TYPE OF REPORTING PERSON PN -------------------------------------------------------------------------------- CUSIP NO. 769627100 1 NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSON (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 ITEMS 2(d) or 2(e) |_| -------------------------------------------------------------------------------- 6 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware -------------------------------------------------------------------------------- 7 SOLE VOTING POWER 0 -------------------------------------------------------- NUMBER OF 8 SHARED VOTING POWER SHARES BENEFICIALLY 642,270 OWNED BY -------------------------------------------------------- EACH 9 SOLE DISPOSITIVE POWER REPORTING PERSON 0 -------------------------------------------------------- 10 SHARED DISPOSITIVE POWER 642,270 -------------------------------------------------------------------------------- 11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 642,270 -------------------------------------------------------------------------------- 12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES |_| -------------------------------------------------------------------------------- 13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 5.15% -------------------------------------------------------------------------------- 14 TYPE OF REPORTING PERSON PN -------------------------------------------------------------------------------- CUSIP NO. 769627100 1 NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSON (ENTITIES ONLY) SOF-VII 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 ITEMS 2(d) or 2(e) |_| -------------------------------------------------------------------------------- 6 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware -------------------------------------------------------------------------------- 7 SOLE VOTING POWER 0 -------------------------------------------------------- NUMBER OF 8 SHARED VOTING POWER SHARES BENEFICIALLY 642,270 OWNED BY -------------------------------------------------------- EACH 9 SOLE DISPOSITIVE POWER REPORTING PERSON 0 -------------------------------------------------------- 10 SHARED DISPOSITIVE POWER 642,270 -------------------------------------------------------------------------------- 11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 642,270 -------------------------------------------------------------------------------- 12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES |_| -------------------------------------------------------------------------------- 13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 5.15% -------------------------------------------------------------------------------- 14 TYPE OF REPORTING PERSON OO -------------------------------------------------------------------------------- CUSIP NO. 769627100 1 NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSON (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 ITEMS 2(d) or 2(e) |_| -------------------------------------------------------------------------------- 6 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware -------------------------------------------------------------------------------- 7 SOLE VOTING POWER 0 -------------------------------------------------------- NUMBER OF 8 SHARED VOTING POWER SHARES BENEFICIALLY 642,270 OWNED BY -------------------------------------------------------- EACH 9 SOLE DISPOSITIVE POWER REPORTING PERSON 0 -------------------------------------------------------- 10 SHARED DISPOSITIVE POWER 642,270 -------------------------------------------------------------------------------- 11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 642,270 -------------------------------------------------------------------------------- 12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES |_| -------------------------------------------------------------------------------- 13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 5.15% -------------------------------------------------------------------------------- 14 TYPE OF REPORTING PERSON OO -------------------------------------------------------------------------------- CUSIP NO. 769627100 1 NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSON (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 ITEMS 2(d) or 2(e) |_| -------------------------------------------------------------------------------- 6 CITIZENSHIP OR PLACE OF ORGANIZATION Connecticut -------------------------------------------------------------------------------- 7 SOLE VOTING POWER 0 -------------------------------------------------------- NUMBER OF 8 SHARED VOTING POWER SHARES BENEFICIALLY 642,270 OWNED BY -------------------------------------------------------- EACH 9 SOLE DISPOSITIVE POWER REPORTING PERSON 0 -------------------------------------------------------- 10 SHARED DISPOSITIVE POWER 642,270 -------------------------------------------------------------------------------- 11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 642,270 -------------------------------------------------------------------------------- 12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES |_| -------------------------------------------------------------------------------- 13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 5.15% -------------------------------------------------------------------------------- 14 TYPE OF REPORTING PERSON OO -------------------------------------------------------------------------------- CUSIP NO. 769627100 1 NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSON (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 ITEMS 2(d) or 2(e) |_| -------------------------------------------------------------------------------- 6 CITIZENSHIP OR PLACE OF ORGANIZATION United States -------------------------------------------------------------------------------- 7 SOLE VOTING POWER 88,800 -------------------------------------------------------- NUMBER OF 8 SHARED VOTING POWER SHARES BENEFICIALLY 642,270 OWNED BY -------------------------------------------------------- EACH 9 SOLE DISPOSITIVE POWER REPORTING PERSON 88,800 -------------------------------------------------------- 10 SHARED DISPOSITIVE POWER 642,270 -------------------------------------------------------------------------------- 11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 731,070 -------------------------------------------------------------------------------- 12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES |_| -------------------------------------------------------------------------------- 13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 5.86% -------------------------------------------------------------------------------- 14 TYPE OF REPORTING PERSON IN -------------------------------------------------------------------------------- This Amendment No. 1 amends and supplements the statement on Schedule 13D (the "Statement") originally filed with the Securities and Exchange Commission on December 10, 2008 by 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, (together the "Reporting Persons") with respect to the common stock, par value $0.001 per share (the "Common Stock"), of Riviera Holdings Corporation, a Nevada corporation (the "Company"). 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. 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 Response unchanged. ITEM 5. INTEREST IN SECURITIES OF THE COMPANY Item 5 is hereby supplemented as follows: (a)-(b) As of May 12, 2009: Rivacq may be deemed the direct beneficial owner of 642,270 shares of Common Stock, which represent approximately 5.15% of the outstanding shares of Common Stock as of May 8, 2009. Rivacq may be deemed to have sole power to vote or direct the vote of and dispose or direct the disposition of such Common Stock. SOF Co-Invest, as the sole member of Rivacq, may be deemed to have beneficial ownership of 642,270 shares of Common Stock, which represent approximately 5.15% of the outstanding shares of Common Stock as of May 8, 2009. Each of SOF VII and Hotel Fund, as the sole members of SOF Co-Invest with 25% and 75% equity interests in SOF Co-Invest, respectively, may also be deemed to have beneficial ownership of the foregoing shares of Common Stock. Each of the Opportunity Funds, as the sole members of SOF VII, may also be deemed to have beneficial ownership of the foregoing shares of Common Stock. Each of the Hospitality Funds, as the sole members of Hotel Fund, may also be deemed to have beneficial ownership of the foregoing shares of Common Stock. SOF VII Management, as the general partner of each of the Opportunity Funds, may also be deemed to have beneficial ownership of the foregoing shares of Common Stock. Hotel Management, as the general partner of each of the Hospitality Funds, may also be deemed to have beneficial ownership of the foregoing shares of Common Stock. SCGG, as the managing member of SOF VII Management and Hotel Management, may also be deemed to have beneficial ownership of the foregoing shares of Common Stock. Barry S. Sternlicht, as the Chairman and CEO of SCGG and CEO of SOF VII and Hotel Fund, may also be deemed to have beneficial ownership of the foregoing shares of Common Stock. All persons referenced in this paragraph may be deemed to have shared power to vote or direct the vote of and dispose or direct the disposition of such Common Stock. Mr. Sternlicht also directly holds 88,800 shares of Common Stock, which represent approximately 0.71% of the outstanding shares of Common Stock as of May 8, 2009. Mr. Sternlicht may be deemed to have sole power to vote or direct the vote of and dispose or direct the disposition of such Common Stock. Such Common Stock, together with the 642,270 shares of Common Stock that Mr. Sternlicht may be deemed to own beneficially in his capacity as Chairman and CEO of SCGG and as an executive officer of certain affiliates as described in the previous paragraph, constitute approximately 5.86% of the outstanding shares of Common Stock as of May 8, 2009. (c) On May 11, 2009, Rivacq sold 182,200 shares of Common Stock through a broker on the open market at a price of $2.3092 per share. On May 11, 2009, Barry S. Sternlicht sold 25,000 shares of Common Stock through a broker on the open market at a price of $2.3092 per share. On May 12, 2009, Rivacq sold 69,300 shares of Common Stock through a broker on the open market at a price of $2.1677 per share. On May 12, 2009, Barry S. Sternlicht sold 9,400 shares of Common Stock through a broker on the open market at a price of $2.1677 per share. (d) Not applicable. (e) Not applicable. ITEM 6. CONTRACTS, ARRANGEMENTS, UNDERSTANDINGS, OR RELATIONSHIPS WITH RESPECT TO SECURITIES OF THE COMPANY. On May 11, 2009, Rivacq sold 182,200 shares of Common Stock through a broker on the open market at a price of $2.3092 per share. On May 11, 2009, Barry S. Sternlicht sold 25,000 shares of Common Stock through a broker on the open market at a price of $2.3092 per share. On May 12, 2009, Rivacq sold 69,300 shares of Common Stock through a broker on the open market at a price of $2.1677 per share. On May 12, 2009, Barry S. Sternlicht sold 9,400 shares of Common Stock through a broker on the open market at a price of $2.1677 per share. ITEM 7. MATERIAL TO BE FILED AS EXHIBITS. Response unchanged. 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. 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: May 13, 2009