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

Michelle Trachtenberg's death has been ruled "undetermined". The 'Buffy the Vampire Slayer' star was found dead on Wednesday ...

The New York City medical examiner's office said Thursday the cause of death is undetermined for actress Michelle ...

The cause of death for Michelle Trachtenberg, the “Gossip Girl” and “Buffy the Vampire Slayer” star, will remain undetermined ...

Blake Lively, Sarah Michelle Gellar and other stars remembered Trachtenberg’s work ethic and friendship in social media posts ...

Getty Images, FILE Sarah Michelle Gellar is paying tribute to her late Buffy the Vampire Slayer co-star Michelle Trachtenberg ...

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

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

Friends and costars of Michelle Trachtenberg are remembering the actress with touching tributes after her passing on ...

Dawn Summers on 'Buffy the Vampire Slayer' was magical energy turned human. Michelle Trachtenberg made her everyone's kid ...

Justin Timberlake's latest concert left many fans disappointed, as the pop star leaned heavily on new material.

Explore tragic passing of actress Michelle Trachtenberg, known for her iconic roles in Harriet the Spy, Buffy the Vampire Slayer, Gossip Girl ...