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 Audrina Patridge Is Engaged! 32 Times Celebrities Dressed as Other Celebrities For Halloween Kristin Cavallari Reunites With Her Hills Pal Audrina Patridge Laguna Beach and The Hills: Where Are They Now? 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 Young Hollywood A-Listers Sign up with facebook or By signing up, I agree to the Terms and to receive emails from POPSUGAR.