Christina Aguilera hosts New Year’s Eve at TAO at The Venetian in Las Vegas and is joined by friend Nicole Richie.
Mariah Carey & Nick Cannon host New Years Eve At M2 in New York City.
The Black Eyed Peas host New Year’s Eve at LAX nightclub in Las Vegas. Fergie is hand-in-hand with hubby Josh Duhamel.
The cast of The Hills and Lauren Conrad party at Beso in Hollywood.
Robin Thicke hosts NYE at The Bank Nightclub at Bellagio in Las Vegas with wife Paula Patton and friend Leona Lewis.