Z100's Jingle Ball 2011 Presented by Aeropostale - Show

In This Photo: Kelly Clarkson
Singer Kelly Clarkson performs onstage during Z100's Jingle Ball 2011, presented by Aeropostale at Madison Square Garden on December 9, 2011 in New York City.
(Dec. 8, 2011 - Source: Stephen Lovekin/Getty Images North America)