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

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

Michelle Trachtenberg's 'Gossip Girl' co-star Blake Lively posted a tribute to the actress after news of her death.

Following the tragedy, Gossip Girl alumni—including Blake Lively, Chace Crawford, and Ed Westwick—paid tribute to ...

"Michelle was one of a kind,” Crawford–who played Nate Archibald on the popular CW series– began his Instagram post, which ...

Michelle Trachtenberg, famed for her role as Georgina Sparks on Gossip Girl, was found dead in New York City at 39. Her ...

Michelle Trachtenberg's former co-stars from “Gossip Girl” and "Buffy the Vampire Slayer" paid tribute to the actress ...

"The hardest thing in this world, is to live in it. I will be brave. I will live... for you," the actress shares after her co ...

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

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

Read below the heartfelt remembrance posts that late actress Michelle Trachenbergs’s former co-stars have penned in her memory.

Blake Lively paid tribute to her late 'Gossip Girl' co-star Michelle Trachtenberg, who passed away at 39. Lively described ...