Sarah Michelle Gellar was seen in public for the first time since the sudden death of her friend and Buffy the Vampire Slayer co-star Michelle Trachtenberg, who played her younger sister Dawn in the beloved series.

Sarah Michelle Gellar is paying tribute to her late "Buffy the Vampire Slayer" co-star Michelle Trachtenberg after her tragic death at age 39.

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 bond that lasted until Trachtenberg’s tragic death at age 39.

Sarah Michelle Gellar is remembering her late friend Shannen Doherty while also mourning the death of Michelle Trachtenberg. Gellar, 47, took to Instagram on Thursday, February 27, to pay tribute to Trachtenberg,

Michelle Trachtenberg’s former “Buffy the Vampire Slayer” costar Sarah Michelle Gellar is looking back at their time together on screen and off, one day after Trachtenberg died in New York City.

The news of Michelle Trachtenberg's death at age 39 remains a shock to those who watched her career flourish. Her death has also affected many who worked alongside her in some of her memorable roles.

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

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. View Entire Post ›

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.

Gellar's tribute to her late costar echoes a monologue she delivered in the supernatural drama's season 5 finale.