Gossip Girl and Buffy the Vampire Slayer actor, 39, died this week after being found unresponsive at her apartment

Sarah Michelle Gellar has poured her heart out in a gut-wrenching tribute to her "Buffy the Vampire Slayer" costar Michelle Trachtenberg after MT's...

Hollywood mourns the unexpected death of actress Michelle Trachtenberg at 39. Known for roles in 'Buffy the Vampire Slayer' and 'Gossip Girl,' her...

Gossip Girl alum Blake Lively has joined in the ongoing tributes for her co-star Michelle Trachtenberg, whose death was confirmed this morning. The...

Blake Lively is honoring the “fiercely loyal” Michelle Trachtenberg. Lively, who starred alongside Trachtenberg on “Gossip Girl,” shared an...

Hollywood actor Michelle Trachtenberg, best known for her role in Gossip Girl, passed away on February 26. She was reportedly found dead at her...

Blake Lively's remembering her former costar Michelle Trachtenberg ... saying she always gave 200% effort and she always stood up for what she...

Blake Lively, Sarah Michelle Gellar and other stars remembered Trachtenberg’s work ethic and friendship in social media posts.

10:55 AM PT -- Law enforcement sources tell TMZ ... Michelle Trachtenberg’s body may have rejected the liver transplant she received within the last...