Michelle Trachtenberg, the actor known for “Gossip Girl,” “Buffy the Vampire Slayer” and “Harriet the Spy” died Wednesday. She was 39. New York City police responding to a call at a residential high-rise building in Manhattan found Trachtenberg unresponsive and emergency medical services pronounced her dead at the scene,

Michelle Trachtenberg’s mom last saw her daughter alive just 10 hours before she found the “Gossip Girl” star dead in her New York City apartment, according to a report.

The actress who on Wednesday was found dead in her NYC apartment responded to the commenter on Instagram in January 2024.

Michelle Trachtenberg had a liver transplant before her death, multiple sources tell Us Weekly. News broke on Wednesday, February 26 that Trachtenberg died. She was 39 years old. Page Six also reported of Trachtenberg’s transplant.

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