Sarah Michelle Gellar mourned the death of “Buffy the Vampire Slayer" co-star Michelle Trachtenberg in an Instagram post.

Buffy 's Sarah Michelle Gellar has paid an emotional tribute to co-star Michelle Trachtenberg, who passed away at the age of 39. Gellar took to her Instagram to share pictures of her and Trachtenberg ...

The cause and manner of Michelle Trachtenberg's death will remain undetermined, according to the New York City Office of the ...

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

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

Sarah Michelle Gellar is remembering her late friend Shannen Doherty while also mourning the death of Michelle Trachtenberg.

The British royal mourned the “Gossip Girl” alum who was found dead inside her New York City apartment Wednesday.

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

Sarah Michelle Gellar paid tribute to the late Michelle Trachtenberg after the actress died at age 39. "'Michelle, listen to ...

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

Michelle Trachtenberg’s former “Buffy the Vampire Slayer” costar Sarah Michelle Gellar is looking back at their time together ...

Sarah Michelle Gellar played Michelle Trachtenberg’s older sister on Buffy the Vampire Slayer for seven seasons, and their ...