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

Michelle Trachtenberg, the actress known for 'Harriet the Spy,' as well as TV shows like 'Buffy the Vampire Slayer' and ...

Hollywood is paying tribute to Michelle Trachtenberg. The actor who starred in 'Harriet the Spy,' 'Buffy the Vampire Slayer' ...

Michelle Trachtenberg—the film and television actor known for roles in Buffy The Vampire Slayer, Gossip Girl, Harriet The Spy ...

The actress was famous for playing the wonderfully wicked chaos agent Georgina Sparks on "Gossip Girl" and Buffy's stubborn ...

Michelle Trachtenberg, the actor known for “Gossip Girl,” “Buffy the Vampire Slayer” and “Harriet the Spy” died Wednesday.

Michelle Trachtenberg was found in her New York City apartment, and the death is not believed to be suspicious, police said.

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

Actress Michelle Trachtenberg, whose career broke out in childhood with “Harriet the Spy” and went on to include “Buffy the ...

Trachtenberg starred as the cunning Georgina Sparks on the beloved CW series, appearing in each of the six seasons and ...

Michelle Trachtenberg, the actor best known for "Gossip Girl," "Ice Princess" and "Buffy the Vampire Slayer," died at age 39.

When the Stars Gossip' wrapped up its first season with a satisfying finale, leaving many questions about a possible season 2.