John Mayer, Kris Allen, Jordin Sparks, Jay Sean, Owl City, Pitbull, Boys Like Girls, Ke$ha and the Fray take the stage at New York’s Madison Square Garden. By Eric Ditzian Taylor Swift performs at Z100’s Jingle Ball Photo: Theo Wargo/ WireImage NEW YORK — As the lights went down at Z100’s Jingle Ball on Friday night, giant screens played a countdown video instructing the nearly sold-out crowd to scream
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Taylor Swift, Justin Bieber, More Play To Screaming Tweens At Jingle Ball
