Photo SpecialNew Year's Eve Party Stars!
Vegas! Miami! N.Y.C.! Holly Madison, the Kardashians, Rihanna and more pop the cork on 2011
More from PEOPLE
Latest News!
- PEOPLE Editors Pick the Four Best Gowns of This Year's Cannes Film Festival
- Cool Down with Debi Mazar & Gabriele Corcos's Berry Pops!
- Fresh Prince Fans: This Might Be the Greatest Thing You'll See All Weekend
- What Super Sexy Game Did Diana DeGarmo & Ace Young Get as a Wedding Gift?
- Amanda Bynes Tweets Again, Accuses NYPD Officer of Sexual Harassment
MEN IN BLACK
John Mayer joins the party onstage, performing with Jay-Z and Coldplay at The Cosmopolitan bash. The Grammy nominee – a surprise guest – landed into Las Vegas after taking a holiday road trip with friends.
