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

SHEER DELIGHT

Days after making a casual McDonald's run in London, Rihanna glams it up for the Sean "Diddy" Combs-hosted CIROC: The New Year 2012 bash in Miami.