The sudden passing of Michelle Trachtenberg shook the entertainment world nearly a week ago. In the months leading up to her death, she had already been the subject of public concern due to her appearance. Many speculated that her noticeable thinness and overall health suggested something wasn’t quite right.
At just 39 years old, the actress—best known for playing Georgina in Gossip Girl and for her role in Buffy the Vampire Slayer, among others—tragically passed away. The exact details of her death haven’t been made public. However, a source from the New York Police Department told the outlet that first reported the news that she had recently experienced a medical issue, leading to speculation that she died of natural causes. Officially attributing this as Michelle Trachtenberg’s cause of death.
Her family ultimately decided against an autopsy, stating in a brief statement that “there are no further details at this time.” Since authorities didn’t consider her death suspicious, the medical examiner’s office accepted the request, officially closing the case, according to reports from a U.S. news network.
Michelle Trachtenberg through the years… rip angel❤️ pic.twitter.com/oyQr3CrG55
— popcultureangel (@lohanisgod) February 26, 2025
Many of the actress’s colleagues took to social media to say their goodbyes, remembering her as a person who was “kind from head to toe.”
Among the many stars who paid tribute to her, one of the most anticipated messages came from Blake Lively, her Gossip Girl co-star. “This was the first day I met Michelle. She was electricity. You knew when she entered a room because the vibration changed. Everything she did, she did 200%,” she wrote in her stories.
Blake Lively pays tribute to ‘Gossip Girl’ co-star Michelle Trachtenberg:
“She was electricity. You knew when she entered a room because the vibration changed. Everything she did, she did 200%…hold those you love and have loved dear.” pic.twitter.com/ahbtnu01Lz
— Pop Crave (@PopCrave) February 27, 2025
“She laughed the fullest at someone’s joke, she faced authority head on when she felt something was wrong, she cared deeply about her work, she was proud to be a part of this community and industry as painful as it could be sometimes, she was fiercely loyal to her friends and brave for those she loved, she was big and bold and distinctly herself,” Lively added.
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