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

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

Sarah Michelle Gellar has poured her heart out in a gut-wrenching tribute to her "Buffy the Vampire Slayer" costar Michelle ...

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

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

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

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

Sarah Michelle Gellar is paying tribute to her late Buffy the Vampire Slayer co-star Michelle Trachtenberg following the actress’ death on Wednesday, Feb. 26 at the age of 39. Gellar, 47, took to ...

Actor Sarah Michelle Gellar paid tribute to her “Buffy the Vampire Slayer” costar Michelle Trachtenberg a day after police found the 39-year-old dead in her New York City home.