Michelle Trachtenberg’s Cause of Death Undetermined as Family Declines Autopsy

The cause of death for Michelle Trachtenberg, the “Gossip Girl” and “Buffy the Vampire Slayer” star, will remain undetermined as her family declined an autopsy.

Michelle Trachtenberg, the actress celebrated for her roles in “Buffy the Vampire Slayer” and “Gossip Girl,” tragically passed away on February 26, 2025, at the age of 39. She was found deceased in her Manhattan apartment, with no signs of foul play.

In accordance with her family’s wishes, the New York City Medical Examiner’s Office conducted only an external examination and did not perform an autopsy. As a result, the cause of death has been classified as “undetermined.”

Sources indicate that Trachtenberg had recently undergone a liver transplant and had been facing health challenges. While the exact cause of her death remains unclear, complications related to her transplant are considered a possible factor.

Throughout her career, Trachtenberg made significant contributions to film and television. She began her acting journey as a child, starring in Nickelodeon’s “The Adventures of Pete & Pete” and the film “Harriet the Spy.” She later gained prominence with her portrayal of Dawn Summers in “Buffy the Vampire Slayer” and as Georgina Sparks in “Gossip Girl.” Her diverse roles showcased her versatility and talent, leaving a lasting impact on the entertainment industry.

In the wake of her passing, many of her co-stars and friends have paid tribute, reflecting on her talent and the positive influence she had on those around her. Her legacy in the entertainment world remains significant, and she will be remembered fondly by fans and colleagues alike.