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
- Vespas, Chianti and Mozzarella! Inside George and Amal Clooney's Italian Vacation
- Read the Cover Story: The Bachelorette's Kaitlyn and Shawn 'It Was Love At First Sight!'
- Survivor Sues After Long Island of Limo Crash That Killed 4 Friends
- 16-Year-Old Cancer Patient Who Always Gives Back to Others Is Asking for Cards for His Birthday: 'It Makes Me Feel Special'
- Bob and Cortney Novogratz Blog: Our Moving Tips That Will Make Your Life as Stress-Free as Possible