Blake Lively is mourning her "fiercely loyal" and "brave" Gossip Girl costar Michelle Trachtenberg after her death at age 39.

Michelle Trachtenberg, a former child star who appeared in the 1996 “Harriet the Spy” hit movie and went on to co-star in two ...

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

Blake Lively has remembered Michelle Trachtenberg as a "kind person through and through" following her death as she pays ...

The Gossip Girl alum Blake Lively has paid a touching tribute to her 'fiercely loyal' friend, Michelle Trachtenberg.

Gossip Girl' alums Ed Westwick, Chace Crawford, Taylor Momsen, and Kevin Zegers paid tribute to Michelle Trachtenberg after ...

Michelle Trachtenberg, the beloved actress known for her roles in Buffy the Vampire Slayer and Gossip Girl, has passed away ...

In an emotional Instagram story, Blake Lively reflected on their first meeting, describing Michelle Trachtenberg as 'electric ...

Gossip Girl star Michelle Trachtenberg has died at the age of 39. Police sources confirmed to ABC News and the New York Post that the actress died at her apartment in New York City. Her death is not ...

Gossip Girl' fame actor, Michelle Trachtenberg was recently found dead at her New York City apartment, which has left ...