New York Police found the actor unconscious and unresponsive in her Manhattan apartment but do not suspect foul play.

Blake Lively posted a picture with Michelle and penned a long note for her. She wrote, “This is the first day I met Michelle.

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

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

Seeing your face from the hospital bed when we FaceTimed recently … your sweetness and humor were still alive,” Amanda de Cadenet wrote of Trachtenberg.

Blake Lively posted a tribute on her Instagram Story for 'Gossip Girl' Co-Star Michelle Trachtenberg after her death.

Actress Blake Lively has urged the world to remember Gossip Girl co-star Michelle Trachtenberg’s “work and huge heart” ...

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

Trachtenberg starred in a variety of kid-oriented movies and shows, making her film debut in 1996’s “Harriet the Spy.” ...

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

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

Former RHONJ star Jacqueline Laurita posted a tribute for Michelle Trachtenberg, which included an interview before her ...