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

Kim Cattrall paid tribute to Michelle Trachtenberg following her death at age 39. "Rest in peace sweet Michelle 💔," Cattrall ...

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

PEOPLE confirmed the late actress' sudden death at age 39 Michelle Trachtenberg's sudden death is being felt across Hollywood ...

"I would definitely die a million deaths if that ever happened to me," Kristin Davis remarked on her new "Sex and the City" ...

Actor Melissa Gilbert, who acted alongside Trachtenberg in A Holiday for Love, honored the late star on Instagram by sharing ...

Rosie O'Donnell, who starred alongside Trachtenberg in Harriet the Spy, expressed her love for the star in a statement ...

Blake Lively, Sarah Michelle Gellar, David Boreanaz, Ed Westwick, Kim Cattrall, Kenan Thompson, Melissa Joan Hart and more ...

Kim Cattrall paid tribute to Michelle Trachtenberg following her death at age 39. “Rest in peace sweet Michelle ,” Cattrall, 68, wrote via Instagram on Wednesday, February 26, alongside a ...

Hollywood is honoring the life and career of actress Michelle Trachtenberg. The 39-year-old, who has been acting since she ...