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

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

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

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

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

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

Blake Lively, Sarah Michelle Gellar, David Boreanaz, Ed Westwick, Kim Cattrall, Kenan Thompson, Melissa Joan Hart and more ...

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

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

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

Michelle Trachtenberg, an actor best known for her roles in "Buffy the Vampire Slayer" and "Harriet the Spy" has died at age ...

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