Hayden Panettiere is a Guy's Girl

Hayden Panettiere heads out to party at Guy’s Restaurant in Hollywood on Thursday (February 19).

Kimberly Stewart, Kourtney Kardashian and Kim Kardashian were also seen at the party. Hayden is fresh off her break-up with Heroes co-star Milo Ventimiglia.

Also pictured below is Hayden filming a scene with co-star Adrian Pasdar on the set of Heroes.

WHAT DO YOU THINK of this new season of Heroes – YAY or NAY?

15+ pictures inside of Hayden Panettiere being a Guy’s girl…