AnnaLynne McCord debuts her new darker hair

90201 star AnnaLynne McCord shows off her new dark hair at a cocktail party to celebrate the launch of the Joseph Abboud Watch Collection, hosted by Esquire Magazine. She and David Arquette were among the star-studded guests, including Ryan Phillippe, True Blood’s Joe Manganiello, Kevin Jonas, Steven McQueen and Jamie-Lynn Sigler.

Guests checked out the Joseph Abboud Watch Collection, which will debut Fall 2011, while they listed to DJ Paul Sevigny and sipped on custom nirtrogen sorbet cocktails.

Check out AnnaLynne McCord hanging with Trevor Donovan below.

AnnaLynne McCord and 90210 co-star Trevor Donovan are spotted hanging out at the intimate cocktail party at the Sunset Tower Hotel.

Check her out here with blond hair here to compare >>>

What do you think of Anna Lynne McCord’s darker hairdo?

Photo Credit: Seth Browarnik/WorldRedeye.com