This article appears in the August 19, 2010 issue of Rolling Stone. The issue is available now in the digital archive.
Related: Photos: Katy Perry's Candy-Coated California Dreams TourPhotos: Katy Perry's Best LooksPhotos: Katy Perry Strips Down for Rolling Stone
Restart Pop Divas on the Cover of Rolling Stone
Coffee With Vincent D’Onofrio, TV's New Kingpin
Why You Need a Smaller Carry-On Bag
A Beginner Jet Ski for the Lake
Ryan Dungey's Core Workout to Boost Overall Strength
Quinn Hatfield: Eating for Performance