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

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: ...

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

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

Rosie O'Donnell, Ed Westwick, SAG-AFTRA and others react to the 39-year-old's passing The post Michelle Trachtenberg’s Former ...

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

Kenan Thompson paid tribute to his 'friend' and fellow Nickelodeon child star Michelle Trachtenberg after her death at age 39 on ...

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

Kenan Thompson and other stars pay heartfelt tributes to Michelle Trachtenberg, celebrating her legacy as Nickelodeon's first ...

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