Rosie O’Donnell, who starred alongside Trachtenberg in the starlet’s first movie, the Nickelodeon-produced 1996 film adaptation of the children’s novel “Harriet the Spy,” called the actress’ death “heartbreaking.”

The actress played socialite Georgina Sparks on the hit CW series Michelle Trachtenberg’s Gossip Girl costar, Ed Westwick, is paying tribute to her after her sudden death at age 39. Trachtenberg — who played socialite Georgina Sparks on the hit CW series — was found dead on Wednesday,

Gossip Girl’ alum Ed Westwick paid tribute to former costar Michelle Trachtenberg following her death at age 39

Michelle Trachtenberg, the actress known for her roles in Buffy the Vampire Slayer and Gossip Girl, has tragically passed away at 39. Friends and fellow stars mourn her loss as investigations into her death continue.

Ed Westwick has lead tributes to late actress Michelle Trachtenberg following the shock news of her death at the age of 39. It was also revealed the star had recently undergone a liver transplant, while fans had grown concerned after she shared selfies on ...

"She struggled the last few years," O'Donnell says. "I wish I could have helped.” Several other co-stars shared their condolences.

Following Michelle Trachtenberg’s sudden death at the age of 39, Rosie O'Donnell and Ed Westwick were among the Gossip Girl actress' former costars to pay tribute.

Michelle Trachtenberg, famed for her role as Georgina Sparks on Gossip Girl, was found dead in New York City at 39. Her co-stars Ed Westwick and Chace

Actor Michelle Trachtenberg, known for her starring roles in Buffy the Vampire Slayer, Gossip Girl, and many more, has died at the age of 39, according to reports. At such a critical moment in US history, we need reporters on the ground. Your donation allows us to keep sending journalists to speak to both sides of the story.

Ed Westwick, Kim Cattrall, Rosie O’Donnell, David Boreanaz and more stars are paying tribute to Michelle Trachtenberg. Following the heartbreaking news that the “Buffy the Vampire Slayer ...