New Year's Eve

New Year's Eve Party Stars

From N.Y.C. to Sin City, see how Gaga, Fergie, Rihanna and more popped the cork on 2012

RAISE YOUR GLASS

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.