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


Pitbull and Justin Bieber buddy up in N.Y.C.'s Times Square, where each appeared on New Year's Rockin' Eve. Pitbull performed his hits "I Know You Want Me" and "Give Me Everything," while the Bieb rang in the new year with something old: the Beatles classic "Let It Be."