The "Glamorous" singer performs at the Wilhelmina Models anniversary bash. Plus: Paris & Avril, Katherine Heigl, Beckham and more

BACKSEAT BUDDIES

There's nothing like a small space to force a new bond. Paris Hilton and Avril Lavigne get cozy in the backseat of a car after partying at the grand opening of GOA, a new nightclub in Los Angeles, on Thursday night.