Last night in NYC, DVF, Chelsea Clinton, and Ethan Hawke dined together at the 2013 Friends of the High Line Benefit, Mazdack Rassi, hosted Prince Harry and British Prime Minister David Cameron for the Innovation is Great reception at Milk Studios, Karen Harvey celebrated Pamela Love's CFDA Nomination with Rebecca Minkoff and Mara Hoffman, and so much more!

Last night, rock legends came together at a sold out Madison Square Garden to perform a benefit concert for Hurricane Sandy relief. The Rolling Stones, Paul McCartney, Bruce Springsteen, Alicia Keys, Kanye West and a slew of comedians and actors all contributed to the relief effort, encouraging donations from the millions of people who watched the worldwide broadcast. Click through our slideshow to see our favorite pictures from the show and backstage!

[Kanye West]

Last night in NYC, Kanye West performed his greatest hits at the launch of the Samsung Galaxy Note II, Donatella Versace hosted a dinner at The Waldorf Towers to celebrate the opening of her new boutique in SoHo, Kellen Lutz, Adam Levine, Shaun White, and Ted Danson were honored at the GQ Gentleman's Ball, and more!

[Diane von Furstenberg] [Crystal Renn, Zac Posen, Erin O'Connor] [Jeisa Chiminazzo, via]

Last night in NYC, Diane Von Furstenberg stepped out for the opening night of L'Elisir d'Amore at the Met, Elle Decor honored Ivanka Trump, who will appear on the cover of their annual fashion issue, Vogue and The New Museum helped Valentino launch their 'Noir' collection, and more!

Last night in NYC, Jon Hamm came out for the preview screening of Woody Allen’s newest film To Rome With Love, Niia performed at M.A.C. Cosmetics private dinner at Acme, Skrillex was the surprise guest at the Samsung Galaxy SIII launch with Sebastian Ingrosso, Steve Aoki took over Terminal 5, and so much more. Last night's parties were all about the special performances. More»

Samsung Mobile US celebrated the launch of the Samsung's newest phone, the Galaxy SIII, last night at Skylight Studios with performances by Sebastian Ingrosso and Skrillex. Twilight's Ashley Green had the honor of hosting the event, which was dedicated to the most innovative smartphone on the market, a phone that takes sharing to the next level. 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»

[All photos by Patrick McMullan for PMc]. Jill Martin, Today Show contributor and MSG reporter, feted the launch of her book, 'Fashion for Dummies' last night at Fresco On-The-Go. Helping celebrate were Kelly Bensimon, Kathie Lee Gifford and Beth Stern (wife of radio host Howard Stern) as well as co-worker at the Today Show, Al Roker and NBC Universal CEO Jeff Zucker. More»