Vegas! Miami! N.Y.C.! Holly Madison, the Kardashians, Rihanna and more pop the cork on 2011
Credit: Henry S. Dziekan III/WireImage
Updated: Saturday Jan 01, 2011 | 03:00 PM EST
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Bruno Mars caps off his biggest year yet with a performance at the R Lounge in New York City's Renaissance Times Square Hotel.
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