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

BOWLED OVER

Check out that footwork! Dancing with the Stars pro Karina Smirnoff has a heel of a time bowling with a bottle at Joonbug's End of the Year Bash in N.Y.C.