Michelle Trachtenberg, 'Buffy' and 'Gossip Girl' Star, Dies at 39: Co-stars Pay Tribute

Michelle Trachtenberg, known for her roles in "Buffy the Vampire Slayer" and "Gossip Girl," has passed away at the age of 39. Emergency services were called to a location in Columbus, New York, where she was pronounced dead. The cause of death is currently under investigation, but police do not suspect foul play. Trachtenberg played Dawn Summers, Buffy's younger sister, in "Buffy the Vampire Slayer." Sarah Michelle Gellar, who played Buffy, posted a heartfelt tribute on Instagram, rewriting a quote from the show: "Michelle, listen to me. Listen. I love you. I will always love you. The hardest thing in this world, is to live in it. I will be brave. I will live... for you." Other co-stars, including Alyson Hannigan, James Marsters, and Blake Lively, also shared tributes, remembering Trachtenberg as a talented, intelligent, and loving person. Trachtenberg's career began at a young age with roles in "The Adventures of Pete & Pete" and "Harriet the Spy." She also starred in films like "Eurotrip" and "17 Again."