Celebs attend at the Z100 Jingle Ball in NY
![Celebs attend at the Z100 Jingle Ball in NY](../../img/attachement/jpg/site1/20091212/0023ae606f170c8d7b0121.jpg)
Singer Usher (L) performs with Justin Bieber during the Z100 Jingle Ball in New York December 11, 2009. [Agencies]
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