Fans and friends alike are mourning the loss of Michelle Trachtenberg, who died this week at age 39. Sarah Michelle Gellar ...

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

Trachtenberg referred to the British princess as "my girl E" and a "wonderful human" in Instagram posts through the years ...

Trachtenberg’s death at 39 is not being treated as suspicious and police said a medical examiner will determine the cause of ...

Learning of Michelle Trachtenberg’s death at just 39 years old was so jarring that it took me a solid hour to understand the ...

The pair starred in the beloved series in the early 2000s, where Trachtenberg played Dawn Summers, the sibling of Gellar's title character.

The actress was found dead in her New York City apartment on Feb. 26. Her former co-stars, including Sarah Michelle Gellar ...

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

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

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

"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 ...

Sarah Michelle Gellar is paying tribute to her 'Buffy the Vampire Slayer' costar Michelle Trachtenberg after her death at 39: ...