Michelle Trachtenberg's cause of death was ruled "undetermined" by the Office of Chief Medical Examiner in New York City, Fox ...

Cast members of "Buffy the Vampire Slayer," "Gossip Girl" and more are remembering their co-star Michelle Trachtenberg​ after ...

Michelle Trachtenberg was found in her New York City apartment, and the death is not believed to be suspicious, police said.

News of Michelle Trachtenberg's death prompted tributes from her friends and former "Buffy," "Harriet the Spy," and "Gossip ...

Michelle Trachtenberg, the actress who rose to fame as a child star with films like “Harriet the Spy” and went on to have ...

Sarah Michelle Gellar's tribute to Michelle Trachtenberg on Instagram references a fan-favorite moment from 'Buffy the ...

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

Sarah Michelle Gellar has paid tribute to her former Buffy The Vampire Slayer co-star Michelle Trachtenberg following her ...

Michelle Trachtenberg, the actor best known for "Gossip Girl," "Ice Princess" and "Buffy the Vampire Slayer," died at age 39.

Buffy the Vampire Slayer star Sarah Michelle Gellar paid a heartfelt tribute to her co-star Michelle Trachtenberg amid her ...

Michelle Trachtenberg, who starred in 'Harriet the Spy,' 'Buffy the Vampire Slayer' and 'Gossip Girl,' was found dead in her ...

The NYPD confirmed to PEOPLE that Trachtenberg was found "unconscious and unresponsive" in her Manhattan apartment on ...