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

Michelle Trachtenberg’s former costars are paying tribute to her in the wake of her sudden passing. Trachtenberg has died at 39 years old, Deadline reported today. The New York Police Department ...

Whenever we spoke, there was something medically wrong,” the pal said of the “Gossip Girl” star’s health “curveballs.” ...

Michelle Trachtenberg was in poor health before she died at age 39 on Feb. 26. Several sources spoke to Us Weekly about the ...

Michelle Trachtenberg had written an 'incredible' screenplay based on Jerry Oppenheim's 'Toy Monster,' according to producer ...

Michelle Trachtenberg’s producing partner, Casey Tebo, shared his final conversation with the “Gossip Girl” star before her ...

Michelle Trachtenberg was honored for her participation in the documentary ‘Spyral’ following her death at age 39 ...

Before her death at 39, Michelle Trachtenberg wrote a screenplay titled, 'Toy Monster.' Producer Casey Tebo exclusively tells ...

As fans continue to speculate about Michelle Trachtenberg's cause of death at 39, some have pointed out that the actress was photographed using a cane several times over the years. In an X post on ...

Sarah Michelle Gellar is paying tribute to her “Buffy” sister, Michelle Trachtenberg, who died on Feb. 26 at 39 years old. Trachtenberg, who had been acting since age three, was found unresponsive in ...

Michelle Trachtenberg was set to make upcoming appearance at a benefit screening of her last film, 'Spyral', at the SXSW ...

Rosie O’Donnell, Blake Lively and Kim Cattrall are among Trachtenberg’s former co-stars who paid tribute to her.