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

Comedian and former Nickelodeon child star Kenan Thompson shared a video on Instagram of the two of them on Nick, writing: ...

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

Kenan Thompson shared a touching tribute to his fellow Nickelodeon alum Michelle Trachtenberg, who died at age 39 on ...

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

Thompson is one of several celebrities to pay tribute to Trachtenberg. Her Harriet the Spy costar Rosie O’Donnell (who also hosted the 1999 Kids’ Choice Awards) called her death “heartbreaking” in a ...

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

Following the heartbreaking news that the “Buffy the Vampire Slayer” star died Wednesday at the age of 39, friends and former colleagues took to social media to honor the late actress.

Both Thompson and screenwriter Judd Apatow scored major breakthroughs when the cult classic premiered in 1995.

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

Eddie Murphy showed off his best Tracy Morgan impression in a revival of this classic "Saturday Night Live" sketch for the ...