by Alex Ingram in Entertainment

Actress Michelle Trachtenberg, known for her roles in "Gossip Girl" and "Buffy the Vampire Slayer," has died at the age of 36. Her mother discovered her unresponsive in her Manhattan apartment. While the exact cause of death is still unclear, law enforcement sources suggest that a recent liver transplant may have been a contributing factor. Trachtenberg had been seen out with friends just days before her death. Tributes have poured in from co-stars and friends, remembering her talent and vibrant personality. The news has shocked fans and the entertainment industry.