New Year's Eve is always a big draw for celebrity parties, and it looks like Jay-Z's blowout with Coldplay in Las Vegas was the hottest bash around! Jay hung out with Beyoncé Knowles, Blake Lively, and Gwyneth Paltrow at the event, but there were plenty of other red carpets and banquettes littered with stars from Sin City to beyond — click through to see photos of the big night!
See How Stars Like Gwyneth, Beyoncé, Kim, Blake, and More Rang in 2011!
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