Gellar is honoring her late 'Buffy the Vampire Slayer' costar, who died on Wednesday, February 26, with a powerful quote from ...

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

Nicholas Brendon, Alyson Hannigan, Charisma Carpenter, and others also paid tribute to their former costar after her tragic passing on Feb. 26.

Sarah Michelle Gellar and Michelle Trachtenberg starred in three seasons of "Buffy the Vampire Slayer" together and remained close following the end of the series.

They’ll always be the Summers sisters. Sarah Michelle Gellar and Michelle Trachtenberg became close friends while playing Buffy and Dawn Summers, respectively, on “Buffy the Vampire Slayer” — a tight ...

"The hardest thing in this world, is to live in it. I will be brave. I will live... for you," the actress shares after her co-star's death ...

Based on real-life and in-continuity factors, how likely are the old cast members to return in the new series?

Actress Sarah Michelle Gellar starred in Buffy The Vampire Slayer alongside Michelle Trachtenberg, who played Buffy's younger sister Dawn Summers in the hit 90s and 00s TV series ...

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

Sarah Michelle Gellar paid tribute to her “Buffy the Vampire Slayer” co-star Michelle Trachtenberg after she died at the age of 39. “‘Michelle, listen to me. Listen. I love you.

They’ll always be the Summers sisters. Sarah Michelle Gellar and Michelle Trachtenberg became close friends while playing Buffy and Dawn Summers, respectively, on “Buffy the Vampire Slayer ...

Sarah Michelle Gellar and other 'Buffy the Vampire' stars paid tribute to Michelle Trachtenberg, who tragically passed away ...