Vegas! Miami! N.Y.C.! Holly Madison, the Kardashians, Rihanna and more pop the cork on 2011
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Updated: Saturday Jan 01, 2011 | 03:00 PM EST
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"Tik Tok" singer Ke$ha arrives to help Ryan Seacrest count the seconds to midnight in New York's Times Square. The popster performed her hit single – and vowed to make "2011 our b–" – on Dick Clark's New Year's Rockin' Eve.
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