Lady Gaga & Justin Bieber Ring in 2012 in NYC's Times Square

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Justin Bieber and Carlos Santana Jan. 1

Lady Gaga and Justin Bieber perform at Dick Clark’s New Year’s Rockin’ Eve in Times Square in NYC on Dec. 31

Dick Clark’s New Year’s Rockin’ Eve bash live from Times Square on Saturday night boasted many surprises to ring in 2012 with special performances by the likes of Lady Gaga and Justin Bieber.

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The “You and I” singer brought the house down in NYC at the countdown event hosted by Ryan Seacrest, while Justin hit the piano to sing alongside the iconic Carlos Santana!

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Happy New Year!