Michelle Trachtenberg, the actor known for “Gossip Girl,” “Buffy the Vampire Slayer” and “Harriet the Spy” died Wednesday.

Actress Michelle Trachtenberg, famed for her roles in 'Buffy the Vampire Slayer' and 'Gossip Girl', has passed away at 39.

The world is no longer blessed with Michelle Trachtenberg’s vibrant spirit—she died at 39, but the legacy she leaves behind ...

Leading up to Michelle Trachtenberg’s tragic Feb. 26 death, the Gossip Girl alum underwent a liver transplant and may have been experiencing “complications,” police sources told ABC News.

Blake Lively is paying tribute to her late co-star. Michelle Trachtenberg, 39, died on Wednesday, leading many fans and celebrities alike to honor her memory, including many of her co-stars across ...

Trachtenberg rose to fame as a child star in the 1996 movie Harriet the Spy. She went on to join the cast of Buffy the Vampire Slayer as Sarah Michelle Gellar’s sister, Dawn, and was a fan favorite ...

Michelle Trachtenberg, the beloved actress known for her roles in Gossip Girl and Buffy the Vampire Slayer, has passed away ...

Lively remembered Trachtenberg as someone who "laughed the fullest at someone's joke" and "faced authority head on when she ...

Michelle Trachtenberg's credits include performances in 'Harriet The Spy,' 'Mysterious Skin' & 'Buffy The Vampire Slayer' ...

Seeing your face from the hospital bed when we FaceTimed recently … your sweetness and humor were still alive,” Amanda de Cadenet wrote of Trachtenberg.

Blake Lively posted a tribute on her Instagram Story for 'Gossip Girl' Co-Star Michelle Trachtenberg after her death.

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.