Actress Michelle Trachtenberg, known for her role in "Gossip Girl," was found dead in a New York City luxury apartment building by the NYPD. She was 39.

Actress Michelle Trachtenberg has died at age 39. The Buffy and Gossip Girl star was found dead at her Midtown, Manhattan apartment at shortly after 8 a.m. Wednesday, according to Associated Press.

Michelle Trachtenberg, a former child star who appeared in the 1996 “Harriet the Spy” hit movie and went on to co-star in two buzzy millennial-era TV shows — “Buffy the Vampire Slayer” and “Gossip ...