Michelle Trachtenberg's cause of death was revealed Thursday after the 39-year-old actress was found dead in New York City ...

Michelle Trachtenberg's cause of death was ruled "undetermined" by the Office of Chief Medical Examiner in New York City, Fox ...

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

Michelle Trachtenberg, the actor known for “Gossip Girl,” “Buffy the Vampire Slayer” and “Harriet the Spy” died Wednesday.

Cast members of "Buffy the Vampire Slayer," "Gossip Girl" and more are remembering their co-star Michelle Trachtenberg​ after ...

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

Michelle Trachtenberg, the actress who rose to fame as a child star with films like “Harriet the Spy” and went on to have ...

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

Blake Lively, who co-starred with Michelle Trachtenberg on the teen drama "Gossip Girl," paid tribute to the late actress on Wednesday.

New York City native and "Gossip Girl" and "Buffy the Vampire Slayer" actress Michelle Trachtenberg has died at 39.

Michelle Trachtenberg, who starred in "Gossip Girl," "Harriet the Spy" and "Buffy the Vampire Slayer," has died. The actress was 39 years old.

Michelle Trachtenberg was found in her New York City apartment, and the death is not believed to be suspicious, police said.