Michelle Trachtenberg's co-stars and fellow celebrities are speaking out after the "Gossip Girl" and "Harriet the Spy" star ...

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 ...

Blake Lively, who co-starred with Michelle Trachtenberg on the teen drama "Gossip Girl," paid tribute to the late actress on ...

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 ...

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.

Trachtenberg starred as the cunning Georgina Sparks on the beloved CW series, appearing in each of the six seasons and ...

Blake Lively broke her social media silence on Wednesday to pay tribute to her late “Gossip Girl” co-star Michelle ...

Kenan Thompson has heaped praise on Michelle Trachtenberg, describing the actress as the "first Nick movie star".

Shawn Ashmore, who dated Michelle Trachtenberg from 2004 to 2006, paid tribute to the Buffy the Vampire Slayer star after she died Feb. 26 at the age of 39.