Celebrities at Z100's Jingle Ball 2010 presented by H&M at Madison Square Garden in New York City, NY.
(December 11, 2010 - Source: FlynetPictures.com)
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Katy Perry attended Z100's Jingle Ball 2010 wearing a military-inspired romper.
Katy Perry Over the Knee Boots
Katy Perry brought her signature pin up style to the classic Nutcracker costume in white over-the-knee Christian Louboutin boots.
Brand: Christian Louboutin