From N.Y.C. to Sin City, see how Gaga, Fergie, Rihanna and more popped the cork on 2012
Credit: Denise Truscello/WireImage
Updated: Sunday Jan 01, 2012 | 11:00 AM EST
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Joined by Dancing with the Stars pro Mark Ballas and her mom Kris Jenner at Las Vegas's TAO Nightclub at the Venetian, soon-to-be divorcée Kim Kardashian leaves behind a tumultuous 2011 and toasts to being "a new me" in 2012.
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