Celebs’ Best New Year’s Moments

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Snooki and Jionni LaValle

New Year's Eve: Jersey Shore style! The MTV lovebirds celebrated 2012 together at the The Palms Casino Resort in Las Vegas.

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Bill and Giuliana Rancic

Pucker up! The couple kissed at midnight during NIVEA's Times Square celebration in New York City.

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Kim Kardashian

Sin City beauty! The newly-single reality star was all smiles as she celebrated 2012 with confetti and lights at Tao Las Vegas.

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Mary J. Blige

The R&B diva wore a curve-hugging white dress to perform at the RPM Nightclub's opening celebration at Tropicana Las Vegas.

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Fergie and Josh Duhamel

Vegas or bust! The couple sported their finest New Year's Eve attire at the Mirage's 1 OAK opening party and listened to DJ Jesse Marco spin.

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Sofia Vergara and Joe Jonas

The Modern Family star (clad in a Blumarine dress) and singer bid farewell to 2011 at the NYE opening of Las Vegas' Hyde Bellagio at the Bellagio Resort and Casino.

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Holly Madison

Las Vegas seemed like Hollywood's hot spot for 2012! The former Playboy bunny celebrated New Year's Eve donning a gold dress and heels at the Gallery Nightclub at Planet Hollywood.

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Kourtney Kardashian and Scott Disick

The expectant reality star and her beau partied the night away with Joel and Benji Madden at the Chateau Nightclub & Gardens in Las Vegas.

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Bruno Mars

The "Just The Way You Are" singer said goodbye to 2011 with a performance at Las Vegas' Bank Nightclub at the Bellagio.

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Rihanna

The pop superstar wore a revealing black lace dress during Sean 'Diddy' Combs' CIROC party in Miami Beach, Fla.