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»

Go HERE for more photos by Erin G. Wesley and tag yourself and your friends!

It's getting to be that time of year again where we get dressed up to drink and shmooze around our favorite enormous David Hockney-painted pool at least once a week for the next four months. Of course I'm talking about party season at the Roosevelt's Tropicana Bar which covergirls Juno Temple and Britt Robertson helped kick off last night at the annual NYLON May Young Hollywood Issue celebration. More»

Tamra Barney and Vicki Gunvalson of the "Real Housewives Of Orange County" host a Bravo-star-laden party at Lexington Social House for their new wine of the month club; Busy Philipps, Jillian Barbarie, Lisa Ann Walter and others bring their young children to a family-friendly event at the Beverly Hills Hotel in honor of the collaboration between Paul Frank and Babies 'R' Us; "Revenge"s Emily VanCamp brings out the cast of her hit show to Sunset Tower to celebrate her June Lucky cover; Sidney Poitier shows up to support his daughter Anika showcasing her film at the 2012 AFI Women Directors Showcase; Will Arnett, Christina Applegate and Maya Rudolph talk "Up All Night" at the Paley Center. Last night's parties had something for people of all ages, and we've got the scoop right here. More»

Busy Philipps, Ellen Pompeo and other famous mothers give mom-to-be Anna Paquin a taste of what new parent life is like at a Saturday Luau event; Kelly Osbourne, Katherine Jenkins and other transplants from across the pond honor Piers Morgan with a BritWeek celebration; Julie Bowen, Lisa Kudrow and more hit the P.S. Arts Los Angeles Modernism opening night gala; Kim Kardashian steps out in support of Generosity Water—see what else celebrities were up to this weekend when they weren't partying for Cinco de Mayo in this installment of Last Night's Parties. More»

Neil Patrick Harris and Missi Pyle step out to support Alan Cumming's foray into photography in West Hollywood; Josh Hutcherson, Busy Philipps, Perez Hilton and many more attend Logo's "NewNowNext Awards" show hosted by Kelly Osbourne; an extraordinarily random array of celebrities including Jennifer Lopez, James Caan and Tommy Hilfiger celebrate the grand opening of Planet Dailies and Mixology 101; Jessica Lowndes and Paul Sorvino hit the premiere of their new short horror film—get your final rundown of who partied in L.A. before for the weekend in this edition of Last Night's Parties. More»

Jaime King, Fergie and Chloe Moretz attend JustJared.com founder, Jared Eng's birthday party at Pink Taco; Ke$ha, Rose McGowan and Sophia Bush honor entertainment media that raises awareness on animal issues at the 26th Annual Genesis Awards; Kendra Wilkinson and Kim Kardashian celebrate Perez Hilton's birthday with a Mad Hatter-themed tea party at Siren Studios—the rain didn't stop Los Angeles from partying this weekend and we've got the details on the biggest events and the celebrities who attended them in this installment of Last Night's Parties! More»

Kristen Bell and Jane Seymour attend the Alzheimer's Association's "A Night At Sardi's" celebrity musical revue benefit dinner; Analeigh Tipton, Aubrye Plaza and Maggie Grace hit the premiere of Damsels In Distress; Lacoste celebrates the launch of their women's Spring/Summer 2012 collection with a Sunset Tower soiree and special guests Malin Akerman, Jesse Metcalfe and Jenna Elfman—it was another bustling, star-studded Wednesday night in L.A. and we've got all the details in this installment of Last Night's Parties! More»

Emily VanCamp and Madeleine Stowe give fans a sneak peak of future "Revenge" episodes at PaleyFest; Shannon Elizabeth and Pau Gasol go all in for the World Poker Tour's charity tournament; Nina Dobrev and the rest of the cast of "The Vampire Diaries" give fans the inside scoop at PaleyFest; the cast of "The Bold and The Beautiful" celebrate the show's 25th anniversary; Zoe Saldana and Bryan Cranston step out to watch Dave Matthews perform at John Varvatos' 9th annual Stuart House benefit—it was definitely a busy weekend, especially since we lost an hour to daylight savings, but we've got all the details on the best events in Los Angeles and the notables who attended in this edition of Last Night's Parties! More»

Vanity Fair hosts an Oscar Party worthy of the entertainment gods; Kim Kardashian attends Elton John's glamorous Academy Awards viewing party; Petra Nemcova steps out for The Weinstein Company's Oscar after party; Pharrell Williams and Esperanza Spalding enjoy themselves at Hans Zimmer's post-awards show fete; Jean Dujardin gets his Oscar engraved at the Governors Ball—Awards season wasn't officially over until the Academy Awards after parties ended in the wee hours of this morning and we have  the details on the hottest events of the evening in this installment of Last Night's Parties, Oscar Night Edition! 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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Go HERE for more photos by Aron Campisano and tag yourself and your friends!

Just when we were feeling a bit stale and uninspired after coming down from our action-packed Grammy week party high, Friday's Marni for H&M collection launch event renewed our spark with a fantastically sophisticated, swanky party hosted by the two brands' HBICs and Sofia Coppola. The night's many highlights included a first up-close look at the designer one-off donned by an array of stylish starlets as well as a pretty major epiphany courtesy of Marni that there is such a thing as an acceptable pairing of socks and sandals in fashion, as showcased before our very eyes by Drew Barrymore, Rashida Jones, and personal favorite Lykke Li. Please bear in mind this does not mean you can wear socks with your Tevas. That will never be okay. More»