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

Michelle Trachtenberg's former "Buffy the Vampire Slayer" costar Sarah Michelle Gellar is looking back at their time together ...

As Dawn Summers, Michelle Trachtenberg brought tangibility and humanity to Buffy the Vampire Slayer's supernatural world.

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 star Seth Green has spoken out about the hit show's upcoming revival and the possibility of an ...

Police responding to a call at a residential high-rise building in Manhattan found Trachtenberg unresponsive and emergency ...

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

Michelle Trachetenberg's cause and manner of death will remain undetermined after her family objected to having an autopsy ...

Michelle Trachtenberg, who played Buffy's younger sister Dawn Summers in the beloved series Buffy The Vampire Slayer, as well ...

Sarah Michelle Gellar has shared a heartbreaking message following the death of her Buffy the Vampire Slayer co-star Michelle ...

Michelle Trachtenberg was not interested in wading into the legal waters surrounding her Gossip Girl costar Blake Lively in ...

Michelle Trachtenberg was reportedly in talks for the Buffy the Vampire Slayer revival before her death. The actress — who ...