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

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

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

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

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

Actor Sarah Michelle Gellar paid tribute to her “Buffy the Vampire Slayer” costar Michelle Trachtenberg on Thursday, a day ...

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

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

Many other celebrities and co-workers of Trachtenberg’s have written tributes after the actress’s death, including her Gossip Girl co-star Blake Lively. She shared a picture of the duo on set of the ...

Sarah Michelle Gellar took a walk down memory lane in honor of her late friend and co-star Michelle Trachtenberg.