They’ll always be the Summers sisters. Sarah Michelle Gellar and Michelle Trachtenberg became close friends while playing Buffy and Dawn Summers, respectively, on “Buffy the Vampire Slayer” — a tight bond that lasted until Trachtenberg’s tragic death at age 39.

Michelle Trachtenberg has died at the age of 39. Sources told The New York Post that the actress—well-known for primetime and daytime roles like Georgina Sparks on Gossip Girl, Dawn Summers on Buffy the Vampire Slayer, and Lily Montgomery on All My Children —was found deceased this morning in New York City.

Michelle Trachtenberg shaped the childhoods of many after rising to fame as a child star in the 1990s and 2000s. After the Gossip Girl alum’s sudden death in February 2025, fans have questions about the family life of the American actress.