Our celebs ushered in 2011 by partying all over the globe. From tropical islands to the Jersey shore, they all bid a fond adios to 2010!
Next Slideshow: Steppin' Out: Jessica Alba, Jennifer Lopez, George Lopez and more
View All Slides
Las Vegas: Marc Anthony and Jennifer Lopez check out The Beatles Love by Cirque du Soleil at The Mirage before heading to the Jay-Z/Coldplay concert.
New York City: Sofia Vergara makes a toast to 2011 at Plein Sud in downtown NYC.
Seaside Heights, New Jersey: Snooki rang in the new year by being the ball drop at MTV's New Year's Eve Ball Drop with Nicole 'Snooki' Polizzi.
Las Vegas: Julissa Bermudez and Estelle party at the Jay-Z/Coldplay concert at the Marquee Nightclub in The Cosmopolitan.
St. Barts: Chris Rock partied with Taboo of The Black Eyed Peas on the Caribbean island.