• KATY PERRY photo | Katy Perry

Credit: Norman Scott/Startraks

Published: Saturday September 08, 2012 06:00 AM EDT



Apparently, John Mayer's style is rubbing off on the singer. Instead of her usual over-the-top looks, she goes for a rocker vibe in a printed green mini, topped off with a studded leather jacket and lace-up boots at The Jason of Beverly Hills viewing party in Los Angeles.