Michelle Trachtenberg's co-stars and fellow celebrities are speaking out after the "Gossip Girl" and "Harriet the Spy" star ...

Michelle Trachtenberg, the actor known for “Gossip Girl,” “Buffy the Vampire Slayer” and “Harriet the Spy” died Wednesday.

Michelle Trachtenberg's credits include performances in 'Harriet The Spy,' 'Mysterious Skin' & 'Buffy The Vampire Slayer' ...

Trachtenberg starred as the cunning Georgina Sparks on the beloved CW series, appearing in each of the six seasons and ...

Michelle Trachtenberg's death Wednesday left her former co-stars like Blake Lively, Rosie O'Donnell, Melissa Gilbert and ...

After the news of Michelle Trachtenberg's death, former co-stars and celeb friends like Kim Cattrall and Kenan Thompson paid ...

Michelle Trachtenberg—the film and television actor known for roles in Buffy The Vampire Slayer, Gossip Girl, Harriet The Spy ...

Blake Lively broke her social media silence on Wednesday to pay tribute to her late “Gossip Girl” co-star Michelle ...

Louise Fitzhugh’s 1964 children’s novel Harriet the Spy was brought to life in a 1996 movie of the same name. Harriet ...

Michelle Trachtenberg, star of film and television projects like 'Gossip Girl' and 'EuroTrip,' has died at the age of 39, ...

Georgina was played by the actress Michelle Trachtenberg, who was found dead at 39 in her Manhattan apartment on Wednesday.