'Gossip Girl' Star Michelle Trachtenberg Dies at 39 — What Was Her Cause of Death?

The entertainment world is in mourning after the unexpected passing of actor Michelle Trachtenberg. Police sources confirmed her death in a statement to The New York Post on Wednesday, Feb. 26, 2025.

She was only 39 years old.

Her sudden death has sent shockwaves throughout Hollywood, as Michelle was known for her iconic roles in legendary TV shows from the early 2000s, like Buffy the Vampire Slayer and Gossip Girl.

With her untimely demise at such a young age, many are left asking: What was the cause of Michelle Trachtenberg's death? Here's what you need to know.

At the time of writing, Michelle Trachtenberg's cause of death is currently unknown. The details surrounding her tragic passing are being kept private, but we are closely following the situation.

As of now, the only details confirmed are that police sources informed multiple outlets, including ABC News, that Michelle was found dead in her New York City apartment. Police also stated that her death is "not being investigated as suspicious."

In a heartbreaking turn of events, sources have confirmed that Michelle Trachtenberg's mother was the one to discover her body in the apartment. She found her just after 8 a.m. EST on Wednesday, Feb. 26, 2025.

According to ABC News, Michelle Trachtenberg had recently undergone a liver transplant, though details surrounding the timing of the procedure have not been fully disclosed.

While there have been no previous reports indicating that Michelle was dealing with any major illness, police sources have suggested that she may have been facing complications related to the transplant.

At this point, it remains unclear whether these complications played a role in the 17 Again star's death, and authorities are continuing to look into the matter as they gather more information.

Our thoughts are with Michelle's family, friends, and fans during this difficult time.