![Katy Perry Military Cap []](https://www2.pictures.stylebistro.com/fp/Katy+Perry+Casual+Hats+Military+Cap+JhjGxqJ8Uovl.jpg)
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) see more angles »
(December 11, 2010 - Source: FlynetPictures.com) see more angles »
Katy Perry Military Cap
Katy Perry topped off her look with a fancy military hat.
Katy Perry Red Nail Polish
Katy Perry showed off her holiday spirit with a perfectly polished red manicure.
Katy Perry Loose Ponytail
Katy Perry wore her hair in a loose side ponytail during Z100's Jingle Ball 2010.
Katy Perry Red Lipstick
For her beauty look, Katy Perry teamed red lipstick with pink blush and black eyeliner.
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