The actress played socialite Georgina Sparks on the hit CW series Michelle Trachtenberg’s Gossip Girl costar, Ed Westwick, is paying tribute to her after her sudden death at age 39. Trachtenberg — who ...

So sad.’” He also remembered his late costar ... "Michelle was one of a kind," the actor, 39, shared in the post. "I remember her coming on set for the first time and just absolutely owning ...