Michelle Trachtenberg, star of “Buffy the Vampire Slayer” and “Harriet the Spy,” has passed away at age 39, according to the New York Police Department.

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

She got her start in the film “Harriet the Spy” and the Nickelodeon show “The Adventures of Pete & Pete” before moving on to more adult roles.

Michelle Trachtenberg, best known for roles in Harriet the Spy, Buffy the Vampire Slayer, and Gossip Girl, has unexpectedly ...

Michelle Trachtenberg, star of film and television projects like 'Gossip Girl' and 'EuroTrip,' has died at the age of 39, ...

Trachtenberg, 39, rose to fame as a child star, appearing in films like Harriet the Spy and the television series Buffy the ...

The veteran actress, born in New York and raised in Brooklyn before moving to L.A., moved seamlessly from the big and small ...

Michelle Trachtenberg, who starred in 'Harriet the Spy,' 'Buffy the Vampire Slayer' and 'Gossip Girl,' died Wednesday at 39.

Michelle Trachtenberg—the film and television actor known for roles in Buffy The Vampire Slayer, Gossip Girl, Harriet The Spy ...

Gossip Girl star Michelle Trachtenberg has died at 39-years-old, according to reports. The actress, who starred in the hit ...