Katy Perry: The Billboard Cover Story

Katy Perry is dangerously close to falling. Not because she's launching herself into the air with a harness like Pink, or clomping through a Heathrow terminal in a dozen-inch platforms, like Lady Gaga. This pop star's potential collapse is due to an unfortunate combination of sand, schmoozing and exquisite heels.

Listen to Katy Perry's 'Teenage Dream' album