POPSUGAR Celebrity Audrina Patridge Slide Picture of Audrina Patridge Showing Stomach at Muscle Milk Boxing Babe by Celebrity 6/16/10 12 Shares Like us on Facebook Sign up for our daily newsletter > Follow us on Pinterest Audrina Patridge put on her gloves for a Muscle Milk event in LA on Tuesday. Image Source: WireImage Read More Audrina PatridgeHot Audrina Patridge Kristin Cavallari Reunites With Her Hills Pal Audrina Patridge 32 Times Celebrities Dressed as Other Celebrities For Halloween Laguna Beach and The Hills: Where Are They Now? We Spy: Are Alexa Chung's Pigtails Too Immature? POPSUGAR, the #1 independent media and technology company for women. Where more than 75 million women go for original, inspirational content that feeds their passions and interests. Be in the Know With OurCelebrity and Entertainment Newsletter Personalize Movies TV A-Listers Young Hollywood Sign up with facebook or By signing up, I agree to the Terms and to receive emails from POPSUGAR.