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One Direction perform at Z100's Jingle Ball 2012 presented by Aeropostale at Madison Square Garden on Friday Dec. 7, 2012 in New York. (Photo by Evan Agostini/Invision/AP)

Stars rock stage at Jingle Bell Ball

Justin Bieber, Ne-Yo, One Direction and Taylor Swift were some of the stars decking the halls of Madison Square Garden for the Z100 Jingle Ball, Dec. 7.