David and Victoria Beckham mix it up with Marc Anthony and his new lady friend and fundraiser for Cedars-Sinai; Courtney Love, Brent Bolthouse and Ashlee Simpson show their support for the L.A. Gay & Lesbian Center; Kristen Bell, Jeffrey Deitch, James Franco and more step out for a special presentation of MOCA's "As It Lays"; Emma Roberts, Francesca Eastwood, Britney Snow and more hit the one-night only presentation of Tyler Shields' latest collection of photography; Khloe Kardashian, Lamar Odom, Kathy Hilton and many others attend the 19th Annual Race to Erase M  fundraiser—it was quite a busy weekend for L.A. so get comfortable as we bring you the rundown of who partied where in today's edition of Last Night's Parties. More»

Amber Heard, Diana Agron and Raquel Welch join Vanity Fair and Montblanc at the Hotel Bel-Air; Harvey Weinstein, Jessica Chastain and James Cromwell celebrate the 40th anniversary of Charlie Chaplain's honorary Oscar; Kate Beckinsale, Chloe Moretz and Rooney Mara attend the Costume Designers Guild Awards; and Amanda Seyfried, Jennifer Carpenter and Richard Greico (!) walk the red carpet in Hollywood for the L.A. premiere of "Gone"; Pharrell hosts a dinner party with Bevy Smith, Terry Richardson, Usher, and Charlize Theron: check out all the details of what went down on "Fat" Tuesday in Last Night's Parties!

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The Los Angeles Gay and Lesbian Center presents Rachel Zoe with an award for her work with homeless youth; Sam Worthington and Elizabeth Banks grace the red carpet for the Man On A Ledge premiere; Jodi Lyn O'Keefe launches her new jewelry line "Q"; Marg Helgenberger from "CSI: Crime Scene Investigation" gets a star on the Hollywood Walk of Fame—it was just another Monday night in Los Angeles and we have your details in this installment of Last Night's Parties! More»

• The Lakers lose to the Mavericks after a 4-0 defeat in the Western Conference semifinals, Phil Jackson retires. [LATimes]
• Animal rights activists picket outside Pink Taco in Century City for tying a shaved donkey painted hot pink in front of the restaurant as a promotional stunt on Cinco de Mayo. [KABC]
• Meredith Vieira will leave her position as "Today" show host next month, Ann Curry to replace her as Matt Lauer's co-anchor. [HuffPo]
• Robert Pattinson pretended to be a member of the royal family and know Prince William when he first moved to the U.S. as a ploy to make connections. [PE]
• "CSI" star Marg Helgenberger says when he was on set for his guest star appearance, Justin Bieber was "kind of a brat." [TMZ]

Sarah Jessica Parker took in a Broadway play, Daniel Boulud fed Mayor Michael Bloomberg, Kevin Smith screened his new movie for a hefty price, Ryan McGiness painted strippers in Day-Glo and much much more. Find out what happened this weekend! More»