Fashion By TooFab Staff | 8/9/2010 5:07 PM PT Katy Perry hosted the Teen Choice Awards last night in L.A. -- and every time she stepped out on stage, she did it in a different costume! Whether it was math geek or cheerleader chic, which outfit did you like best? #Awards #Fashion #KatyPerry #PhotoGalleries #TeenChoiceAwards
