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

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 ...

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

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

Sarah Michelle Gellar is paying tribute to her former costar. After Michelle Trachtenberg’s tragic death on Wednesday at age 39, the “Buffy the Vampire Slayer” alum shared a heartfelt message.

Several actors, including Blake Lively and Melissa Joan Hart, have paid tribute to Trachtenberg after she died on Wednesday.

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

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

Gellar and Trachtenberg played sisters for three seasons of the hit series 'Buffy the Vampire Slayer,' and remained close for ...

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

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