Last night in NYC, Leonardo DiCaprio, Jay-Z, Carey Mulligan, Tobey Macguire, Isla Fisher, and more partied at the Plaza Hotel to celebrate the world premiere of "The Great Gatsby," Katy Perry presented Vera Wang with the Blood Cancer Delete Blood Cancer Award, the Whitney Contemporaries hosted its annual Art Party at Skylight at Moynihan Station, and more!

Last night in NYC, Elizabeth Olsen and Sofia Coppola stepped out for the premiere of Sundance Selects' "Gimme The Loot," "The Bible Experience," an exhibit featuring photography from the History Channel series "The Bible," held their opening night gala, Art.com and STORY opened their new "Art Story" popup shop and exhibition in Chelsea, and so much more!

Sundance 2013 kicked off this weekend, and film buffs flocked to Park City again this year. From Dave Groh's sold-out concert at Park City Live with Stevie Nicks, to Jessica Biel and Ringo Starr hanging out at The Westway, to Avicii and Matisyahu's blow out performances, here is a round up of some of the top bashes from Sundance's first weekend.

Who runs the world? Beyonce. The superstar mom made her comeback performance this Memorial Day weekend at the Revel beachfront resort in Atlantic City. She hit the stage for the first time since giving birth to her daughter, Blue Ivy Carter earlier this year. She showed off her post-baby bod with her custom-made costumes by London design house, Ralph & Russo, who used over 500,000 Swarovski Elements crystals to design the outfits. More»

Last night, Vanity Fair kicked off the Tribeca Film Festival with a star studded gala at the State Supreme Courthouse. The cocktail soiree was hosted by Robert De Niro (festival co-founder), Graydon Carter, and Ronald Perelman. Dakota Fanning, Leelee Sobieski, and Ivanka Trump were among the many stars that came out to celebrate the opening night for the 11th annual Tribeca Film Festival. More»

Last night in NYC, Dakota Fanning and Leelee Sobieski got dolled up for the 2012 Tribeca Film Festival Vanity Fair Party, Kevin Bacon and Jon Hamm hung out at the Food Bank For New York City's 2012 Can-Do Awards, Nate Lowman and Spencer Sweeney stopped by the Public Art Fund Spring Benefit, Serefina opened in Meatpacking, and so much more. Last night's parties were all about Leelee Sobieski's Jil Sander dress! (No? Well, it should be.) More»

Jean Dujardin beats George Clooney for best actor and Mary Tyler Moore receives lifetime achievement award at the 18th Annual Screen Actors Guild Awards; Sofia Vergara and Meryl Streep have fun with friends at the Weinstein Company and Dewar's post-SAG Awards cocktail party at the Chateau Marmont; Amber Heard dazzles fans on the red carpet as Kelsey Grammer hosts the 64th Annual Directors Guild of America Awards; Katy Perry and professional party girl Paris Hilton kick off the grand opening of 1 OAK Las Vegas; More»

Go HERE for more photos by Mike Biel and tag yourself and your friends!

Last night, stars and guests came out for the premiere of Martin Scorsese's film "Hugo" at the Ziegfeld Theater. The Academy Award winning director showed his first ever 3-D film based on the New York Times Bestseller "The Invention of Hugo Cabret." More»

Go HERE to see more photos by Dylan Armajani tag yourself and your friends.

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Viggo Mortensen attended the New York premiere of the new movie "The Road", based on Cormac McCarthy's novel of the same title. More»