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

Sarah Michelle Gellarhas posted a hearbreaking tribute to Michelle Trachtenberg, who played her younger sister Dawn in the TV ...

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.” ...

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

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

"The hardest thing in this world, is to live in it. I will be brave. I will live... for you," the actress shares after her co ...

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

The Gossip Girl family is mourning Michelle Trachtenberg. Chace Crawford, who played Nate Archibald on the CW show, posted a ...