Avril Lavigne celebrates new album

Avril Lavigne launched her fourth album, Goodbye Lullaby, with a bash at SL lounge in New York City, and showed off her rocker-chic style complete with colorful locks. Kim Kardashian, as well as Avril’s steady beau Brody Jenner, toasted Avril Lavigne during the shindig.

Brody Jenner sported a neon green tie during his girlfriend Avril Lavigne’s album launch.