Michelle Trachtenberg, the beloved actress known for her roles in “Buffy the Vampire Slayer” and “Gossip Girl,” was found unresponsive in her New York City apartment at the age of 39. Trachtenberg’s mother discovered her, and while complications from a recent liver transplant may have been a factor, authorities are awaiting an official autopsy report. Trachtenberg’s career began as a 𝘤𝘩𝘪𝘭𝘥 star, leading to significant acclaim throughout the years, including a Teen Choice Award nomination for her portrayal of Georgina Sparks in “Gossip Girl.”