The actress, best known for her roles in “Gossip Girl” and “Buffy the Vampire Slayer,” has d!ed unexpectedly, leaving the entertainment industry in sh0ck.

Michelle Trachtenberg was found unresponsive by her mother around 8 a.m. on Wednesday, February 26, at One Columbus Place, a luxury high-rise near Central Park in New York City, police sources confirmed. She was 39.

The NYPD responded to a 911 call reporting an unconscious female at the residence. In a statement to People, officials said, “Upon arrival, officers observed a 39-year-old female unconscious and unresponsive. EMS responded to the location and pronounced the victim deceased. Criminality is not suspected.”

The cause of d.eath has not been officially confirmed, but sources also indicated that the actress had recently undergone a liver transplant. The investigation remains ongoing.

Trachtenberg, an award-winning actress with over three decades in the entertainment industry, was best known for her roles as Georgina Sparks in “Gossip Girl” and Dawn Summers in “Buffy the Vampire Slayer.”

However, her career began much earlier. She made her television debut at the age of nine on Nickelodeon’s “The Adventures of Pete & Pete” and later gained fame starring in the 1996 film “Harriet the Spy.”

Her transition to adult roles included notable performances in films such as “EuroTrip,” “17 Again,” and “Ice Princess.” She reprised her role as Georgina Sparks in the 2023 reboot of “Gossip Girl” on Max, which became her final credited acting role.

In the past few years, fans had expressed concern over her appearance in Instagram posts where she appeared noticeably thinner.