Cast members from Buffy the Vampire Slayer, Gossip Girl and more paid tribute to the actress.

Michelle Trachtenberg is being remembered for the positive energy she brought to set by many of the stars she worked with ...

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

Blake Lively, David Boreanaz, Ed Westwick, Kim Cattrall, Kenan Thompson, Melissa Joan Hart and more shared tributes to ...

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

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

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

The actress went into cardiac arrest and died in her Midtown West apartment Wednesday after having recently received a liver transplant.

Actress Michelle Trachtenberg, who starred in "Harriet the Spy," "Buffy the Vampire Slayer" and "Gossip Girl"  has died. She ...

Kenan Thompson shared a sweet tribute to fellow Nickelodeon alum Michelle Trachtenberg, whose sudden death was announced on Feb. 26.