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»

Last night in NYC, Beyonce, Kanye, and Rihanna, were among the many stars running around town from the Met Gala to the after parties at the Crown and the Boom Boom Room, Wolfgang Puck was presented with the Lifetime Achievement award at the 2012 James Beard Awards, VICE and Munchies held a foodie after party at the Jane Hotel, and more. Last night's parties were all about the met ball bash! More»

Last night, the fashion event of the year, otherwise known as the annual Costume Institute Gala, had everything from a live performance by Bruno Mars at Metropolitan Museum of Art's Temple of Dendur, to a bevy of fashionable hosts such as Carey Mulligan, Anna Wintour, and Miuccia Prada, to a new exhibition titled "Schiaparelli and Prada: Impossible Conversations," and, of course, a guest list filled to the brim with fashion industry notables, models, and celebrities. See what went on inside the party last night with these photos courtesy of Vogue. More»

[Lally Weymouth, Kate Hudson, Matthew Bellamy] From NPR's Friday Night Spin party to the Washington Post Pre-WHCD Reception to the A-List Vanity Fair/Bloomberg after-party, find out what and who you missed in Washington over White House Correspondents' Association Dinner Weekend! More»

Last night in NYC, Spike Lee and Martin Scorsese honored Dean Mary Schmidt Campbell at the Tisch School of Arts gala, Zac Efron and Taylor Schilling attended the screening of The Lucky One, Emily Blunt was red hot in Michael Kors for the premiere of Your Sister's Sister, WAH hosted a one-night pop-up shop at Lillium, and so much more. Last night's parties were all about the films and fundraisers! More»

Last night in NYC, the Brooklyn Museum hosted their annual gala, The Brooklyn Artists Ball, father-daughter duo, Claire and Fred Distenfeld celebrated their grand opening of Fivestory, Emily Blunt stole the limelight in her Jason Wu gown at "The Five Year Engagement" premiere, Chloe Sevigny and Michelle Harper were out late celebrating the power of creation at Acme, and so much more. Last night's parties were all about celebrating in style. More»

It's Tribeca Film Festival time again, and starting tomorrow the biggest names in film will head to New York for two weeks of screenings, panels, and of course, parties. Ticket sales have begun, but there's still plenty of time to snag tickets to the most buzzed about films. You can get the most up-to-date information by following the Film Festival on Twitter, and you can join in the conversation using the hashtag #TFF. It's hard to know which events are worth going to, but we've put together a roundup of some of the most anticipated screenings of the week. You can also check out the complete official schedule HERE. More»

Last night in NYC, Claire Danes and Kevin Bacon attended the New York premiere of HBO's Girls, Harvey Weinstein and Valentino watched the special screening of The Intouchables, Nicole Miller partied with Nylon Magazine, Bravo stars were at the Bravo Upfront presentation, and so much more! Last night's parties were all about film and fashion. More»

Even beyond the hour of sleep we lost over Saturday night, there was an undeniable buzz of spring in the air this weekend. Sure, it's a less dramatic shift in L.A. than in some other places, but there are a few undeniable signs: brighter days, warmer evenings, and a dramatic increase in the number of block parties. John Varvatos got that ball rolling as he kicked off the first major block party of the season with his 9th annual Stuart House Auction Benefit in West Hollywood yesterday, hosted by Judd Apatow and Leslie Mann. 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»

Over the weekend, Kristen Wiig, Tina Fey, Jimmy Fallon had a few good laughs at the east coast ceremony for the Writers Guild Awards, George Steel and Lou Reed toasted Rufus Wainwright's opening night for the Prima Donna Opera, Brazil's Carnival Festival was brought to Studio 21, Madonna held a last minute tribute for Whitney Houston at Mister H, and so much more. Last night's parties were all about celebrations!