
Fans took to social media to share their reaction to the news, after it was revealed the actress, known for her work on some of the top shows of the '90s and '00s, had died suddenly at the age of 39.
Fans are mourning the death of Michelle Trachtenberg, following the news of her shocking death at 39.
Taking to social media to share their reactions, both fan accounts and longtime lovers of the late actress all shared throwback photos from Trachtenberg from the late '90s and early '00s, with one calling her "the best to ever do it."
"RIP Michelle Trachtenberg 💔 you were the best to ever do it," one fan tweeted, sharing photos from her roles in EuroTrip, Gossip Girl and more on X.
"RIP michelle trachtenberg. you were always an angel," another wrote, with another fan tweeting, "Michelle Trachtenberg you will forever be missed 🥹🕊️."
Her death was first reported by the New York Post, citing police sources, with those sources telling the news outlet her death is not being investigated as suspicious.
According to TMZ, she recently underwent a liver transplant and police believe she died of natural causes. Per the outlet, police and paramedics responded to a call for a woman in cardiac arrest, and found Michelle unresponsive. She was pronounced dead on the scene.
Perhaps best known to film and television audiences for her work in Gossip Girl, Buffy the Vampire Slayer, and Harriet the Spy, Trachtenberg has largely remained out of the public eye since 2023, but was still active on social media, sharing selfies as recently as two weeks ago.

Michelle Trachtenberg, Gossip Girl and Buffy the Vampire Slayer Star, Dead at 39
View StoryCelebrities and some of Trachtenber's former co-stars have weighed in as well, with Walking Dead star Chad Coleman taking to Instagram to share his reaction to the news, writing, "#RIP @michelletrachtenberg 😢 😢 😢 @buffy."
Ed Westwick -- who starred in Gossip Girl alongside the late TV and film star -- wrote, "So sad to hear of the passing of @michelletrachtenberg. Sending prayers."
See more tributes to Trachtenberg below: