Blake Lively, Rosie O’Donnell lead tributes to Gossip Girl and Harriet the Spy star - Kim Cattrall, Kenan Thompson and ...

Blake Lively is mourning her "fiercely loyal" and "brave" Gossip Girl costar Michelle Trachtenberg after her death at age 39.

Actress Michelle Trachtenberg shot to fame as a child star at age 3, starring as Nona Mecklenberg on the hit Nickelodeon ...

Let's take a look at all the Hollywood celebrities Gossip Girl actor Michelle Trachtenberg, has dated over the course of her ...

Michelle Trachtenberg, the actor known for roles in series including "Buffy the Vampire Slayer" and "Gossip Girl," has died.