News of Michelle Trachtenberg's death prompted tributes from her friends and former "Buffy," "Harriet the Spy," and "Gossip ...

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

Michelle Trachtenberg's cause of death was ruled "undetermined" by the Office of Chief Medical Examiner in New York City, Fox News Digital confirmed.

Gossip Girl' ran for six seasons and starred Blake Lively, Leighton Meester, Penn Badgley and Ed Westwick. Here's what the ...

Blake Lively remembered her “Gossip Girl” costar as a “deeply sensitive and good person.” ...

Weeks before Gossip Girl alum Michelle Trachtenberg died at 39, she celebrated Valentine’s Day with a tribute to her boyfriend Jay Cohen.

Friends and costars of Michelle Trachtenberg are remembering the actress with touching tributes after her passing on ...

From former co-stars to fans, tributes are pouring in following the death of Gossip Girl star Michelle Trachtenberg.

The heart touching tribute from the Gossip Girl cast as they reflect on the exceptional talent of their beloved co-star ...

Blake Lively has taken to Instagram to issue an emotional tribute to her Gossip Girl co-star Michelle Trachtenberg after she ...

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

Michelle Trachtenberg's credits include performances in 'Harriet The Spy,' 'Mysterious Skin' & 'Buffy The Vampire Slayer' ...