The two actors appeared together in the 1996 movie “Harriet the Spy,” which was Trachtenberg’s first role in a major feature ...

Rosie O’Donnell has claimed that her former co-star Michelle Trachtenberg was “struggling” before her death.

Actress Michelle Trachtenberg, who starred on ‘Gossip Girl’ and ‘Buffy the Vampire Slayer,’ died at the age of 39 ...

Michelle Trachtenberg's death Wednesday left her former co-stars like Blake Lively, Rosie O'Donnell, Melissa Gilbert and ...

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.

O'Donnell, 62, played the nanny and confidant to Trachtenberg's clever kid detective in Harriet the Spy, which hit theaters ...

Michelle Trachtenberg got emotional about starring in 'Harriet the Spy' with Rosie O'Donnell on the film's 25th anniversary.

O’Donnell was Trachtenberg’s A-list co-star in Harriet the Spy, the 1996 kids movie that marked Trachtenberg’s first major ...

Rosie O’Donnell has broken her silence over the death of her “Harriet the Spy” co-star Michelle Trachtenberg. The “A League ...

Rosie O'Donnell is mourning the loss of her Harriet the Spy costar. Following the news of Trachtenberg's death at age 39 on ...

Rosie O’Donnell has reacted to the death of her Harriet the Spy costar Michelle Trachtenberg, who died at the age of 39.