Trachtenberg, also known for her role in Buffy The Vampire Slayer, was confirmed dead after emergency medical services arrived at One Columbus Place, New York, following a call at about 8am on Wednesday, the city’s police department said.
Emma Caulfield, who starred as Anya Jenkins in the supernatural drama, said the cast had “lost a little sister” in a post shared to her Instagram story where she referred to the actress as “Mish Mish”.
Fellow Gossip Girl star Ed Westwick, who played Chuck Bass on the show, said he was “sending prayers” in a post to his social media, featuring a picture of Trachtenberg as Sparks.
Actress Blake Lively has urged the world to remember Gossip Girl co-star Michelle Trachtenberg’s “work and huge heart” following her death at the age of 39.
James Marsters, who played British vampire Spike, said Trachtenberg was “a beautiful soul” and shared a selfie of the two together on Instagram.
