Stars Attend Z100's Jingle Ball 2012, Sponsored by Aéropostale, at Madison Square Garden in NYC on Dec. 7, 2012 - Photo

by
Stars Attend Z100's Jingle Ball 2012, Sponsored by Aéropostale, at Madison Square Garden in NYC on Dec. 7, 2012
Credit: Doug Sonders for Z100; Jim Spellman/Getty for Clear Channel