According to sources, Trachtenberg was discovered unconscious in her New York City apartment earlier in February. While a post-mortem examination was not performed due to her family's religious objections, toxicology tests clearly pointed to diabetes complications as the cause of her death.

The actress rose to prominence as a child star with notable roles in Nickelodeon productions, such as "Harriet the Spy," before achieving acclaim as Dawn Summers in "Buffy the Vampire Slayer." Later, she gained attention as Georgina Sparks in "Gossip Girl."

Reports have surfaced suggesting that Trachtenberg had previously undergone a liver transplant, though details regarding the procedure remain uncertain.

The news of her sudden passing has shocked fans and the entertainment community alike. Fellow actor Blake Lively, who starred alongside Trachtenberg in "Gossip Girl," expressed her admiration on social media, praising Trachtenberg's dedication and loyalty to her friends and her vibrant personality.

Michelle's artistic contributions continued to resonate with audiences, as she also appeared in films like "EuroTrip," "Ice Princess," "Killing Kennedy," and "Sister Cities." Her legacy lives on through the numerous performances that captivated viewers throughout her career.