Trachtenberg, who co-starred with Gellar on the hit TV series, was found dead in her apartment on Tuesday. She was 39.

Buffy the Vampire Slayer stars including Alyson Hannigan, David Boreanaz and more break silence over 'horrible' death of ...

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

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

Sarah Michelle Gellar, Taylor Momsen and Blake Lively are among those paying tribute to Michelle Trachtenberg, who died ...

Sarah Michelle Gellar is paying tribute to her late "Buffy the Vampire Slayer" co-star Michelle Trachtenberg after her tragic ...

Blake Lively, Sarah Michelle Gellar and other Hollywood figures are paying tribute to Michelle Trachtenberg, who died at 39.

Fans of Buffy the Vampire Slayer will recognize the caption as a reference to a beloved quote from the show, spoken in the ...

Actress Michelle Trachtenberg, known for roles in "Buffy," "Harriet the Spy" and "Gossip Girl" was found dead in New York ...

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

Blake Lively, Sarah Michelle Gellar and others who worked with Michelle Trachtenberg remembered the “loving” and “electric” ...

Michelle Trachtenberg, an actress best known for her roles in "Buffy the Vampire Slayer" and "Gossip Girl," has died at age 39.