The late actress was best known for her roles as Georgina Sparks on the CW series and Dawn Summers on Buffy the Vampire Slayer. Her storied career in entertainment began after she landed roles on Nickelodeon's The Adventures of Pete & Pete and soap series All My Children .

Kim Cattrall, Blake Lively, and numerous more celebrities are posting tributes for Michelle Trachtenberg after news broke that the star had died at 39 on Feb. 26, 2025. “It is with great sadness to confirm that Michelle Trachtenberg has passed away.

Kim Cattrall paid tribute to Michelle Trachtenberg following her death at age 39. "Rest in peace sweet Michelle 💔," Cattrall, 68, wrote via Instagram on Wednesday, February 26, alongside a photo of her and Trachtenberg from their film Ice Princess.

Stars including Kim Cattrall, Rosie O'Donnell, Ed Westwick, and more react to Michelle Trachtenberg's untimely death.

Blake Lively, Sarah Michelle Gellar, David Boreanaz, Ed Westwick, Kim Cattrall, Kenan Thompson, Melissa Joan Hart and more shared tributes to Trachtenberg.

Hollywood is honoring the life and career of actress Michelle Trachtenberg. The 39-year-old, who has been acting since she was three years old, has been hailed as a millennial icon starring in

Michelle Trachtenberg's co-stars and fellow celebrities are speaking out after the "Gossip Girl" and "Harriet the Spy" star was found dead Wednesday.

Kim Cattrall, who played Trachtenberg’s figure skating coach in “Ice Princess,” shared a photo of the two on the film’s set, writing, “Rest in peace sweet Michelle,” followed by a broken heart emoji. “Buffy the Vampire Slayer” costar James Marsters wrote a heartfelt tribute on Instagram:

News of Michelle Trachtenberg's death prompted tributes from her friends and former "Buffy," "Harriet the Spy," and "Gossip Girl" costars.

Rosie O’Donnell, who starred alongside Trachtenberg in the starlet’s first movie, the Nickelodeon-produced 1996 film adaptation of the children’s novel “Harriet the Spy,” called the actress’ death “heartbreaking.”