The entertainment world is mourning the loss of actress Michelle Trachtenberg, known for her roles in "Buffy the Vampire Slayer" and "Gossip Girl," who has passed away at the age of 39, according to reports from The Post.

Police sources have confirmed that Trachtenberg's death is not being treated as suspicious. ABC News reported that her mother discovered her deceased in her New York City apartment near Columbus Circle on Wednesday. It has been reported that Trachtenberg had recently undergone a liver transplant and may have been suffering from related complications.

According to ABC News, Trachtenberg is believed to have died of natural causes, and no foul play is suspected. An autopsy is scheduled to confirm the exact cause and manner of her death.

Trachtenberg's career began at the tender age of nine when she starred in the 1990s Nickelodeon series "The Adventures of Pete and Pete." She made her film debut in 1996 with "Harriet the Spy." Her most notable roles include playing Dawn Summers, the younger sister of Sarah Michelle Gellar's character Buffy, in the teen drama "Buffy the Vampire Slayer" from 2000 to 2003, and Jenny in the 2004 teen sex comedy "EuroTrip." In 2005, she portrayed Casey Carlyle in the teen sports comedy-drama "Ice Princess."

More recently, Trachtenberg gained recognition for her role as Georgina Sparks in the American teen drama series "Gossip Girl," which aired from 2007 to 2012. She reprised this role in the second season of HBO Max's standalone sequel series.

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