It's good to be a celebrity: you get paid to party!
On New Year's Eve, a number of A-listers headlined events in Miami, New York City and Las Vegas, performing for fans, drinking champagne and ringing in 2011.
From a cleavage-baring Kim Kardashian to a toasting Rihanna to an unexpected Kanye West appearance (check out his fantastic duet with Chris Martin and Jay Z NOW!), we've collected numerous pics of star-studded events below. Click on each to enlarge: