StyleWatch SpecialKaty Perry's Teen Choice Awards Quick Changes!
The hostess channels her inner geek, cheerleader, prom queen, goth rocker and more!
Credit: Kevin Mazur/Wireimage
Updated: Monday Aug 09, 2010 | 02:00 PM EDT By: Justine Harman
More from PEOPLE
- Don Johnson and Melanie Griffith Reunite To Watch Daughter Dakota Host Saturday Night Live
- The Style Top 5: Cara Delevingne Gets Handsy With Her BFFs, Kim Kardashian's Unique Way of Thanking Her Fans and More
- Little Girl with Tumor Has One Final Wish – to Dance with Taylor Swift
- Sofia Vergara Sees You Staring at Joe Manganiello – and She Loves It
- William Shatner Can't Attend Leonard Nimoy's Funeral: 'I Feel Really Awful'