A cause of death has not been disclosed. Westwick, who played Chuck Bass in "Gossip Girl" opposite Trachtenberg's ...

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

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

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

Blake Lively, Sarah Michelle Gellar, David Boreanaz, Ed Westwick, Kim Cattrall, Kenan Thompson, Melissa Joan Hart and more ...

Following Michelle Trachtenberg’s sudden death on Feb. 26 at age 39, the Saturday Night Live star paid tribute to the Nickelodeon alum on Instagram. Meanwhile, Gossip Girl’s Ed Westwick ...

PEOPLE confirmed the late actress' sudden death at age 39 Michelle Trachtenberg's sudden death is being felt across Hollywood ...

Kenan Thompson is mourning the death of his fellow Nickelodeon child star Michelle Trachtenberg. “Our first Nick movie star ...

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

Tributes from around Hollywood have poured in for “Gossip Girl” and “Buffy the Vampire Slayer” actor Michelle Trachtenberg ... Nickelodeon child star Kenan Thompson shared a video on ...

Rosie O’Donnell, who starred alongside Trachtenberg in the starlet’s first movie, the Nickelodeon-produced 1996 film ...