Blake Lively and Alyson Hannigan are among the former "Gossip Girl" and "Buffy" actors mourning the death of their one-time ...

Blake Lively on Wednesday shared a lengthy tribute to her “ Gossip Girl ” costar Michelle Trachtenberg, who was found dead in ...

Michelle Trachtenberg has died at the age of 39. Sources say the actress was found by her mother around 8 a.m. on Wednesday ...

The Gossip Girl family is mourning Michelle Trachtenberg. Chace Crawford, who played Nate Archibald on the CW show, posted a ...

Lively shared a photo of the day she met Trachtenberg, writing, "The world lost a deeply sensitive and good person" ...

Blake Lively, Chace Crawford, Ed Westwick, and more 'Gossip Girl' stars honored Michelle Trachtenberg amid her untimely death. Read their sweet tributes, here.

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

Blake Lively, David Boreanaz, Ed Westwick, Kim Cattrall, Kenan Thompson, Melissa Joan Hart and more shared tributes to ...

The veteran actress, born in New York and raised in Brooklyn before moving to L.A., moved seamlessly from the big and small ...

Trachtenberg starred in a variety of kid-oriented movies and shows, making her film debut in 1996’s “Harriet the Spy.” ...

Giovanni Rufino / © The CW / Courtesy Everett Collection The cast and crew of Gossip Girl honored their former costar ...

News of Michelle Trachtenberg's death prompted tributes from her friends and former "Buffy," "Harriet the Spy," and "Gossip ...