The 'Gossip Girl' star passed away in February 2025 at age 39, and her former cast members are reacting to the devastating loss.

Waisman/Getty Images Entertainment/Getty Images Funnily enough, Meester being a fashion rebel — in black, no less — was reminiscent of another Gossip Girl character entirely: Jenny Humphrey.

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

The Gossip Girl family is mourning Michelle Trachtenberg. Chace Crawford, who played Nate Archibald on the CW show, posted a tribute to the late actress, who was found dead in her apartment Wednesday ...

Taylor Momsen played Jenny Humphrey in the original Gossip Girl series, and also took to social media after learning about Michelle Trachtenberg's death. She posted a photo of the late actress on ...

After Michelle Trachtenberg suddenly died Feb. 26, her Gossip Girl costar Taylor Momsen recalled their bond in a heartbreaking reflection.

Blake Lively, Leighton Meester, Penn Badgley and more Gossip Girl ... Badgley (Dan Humphrey), Ed Westwick (Chuck Bass), Chace Crawford (Nate Archibald) and Taylor Momsen (Jenny Humphrey).

Sending prayers." Taylor Momsen, who played Dan Humphrey's little sister Jenny Humphrey on Gossip Girl, remembered meeting Trachtenberg when she was just a teenager. "When I met this girl 17 years ...

Josh Schwartz and Stephanie Savage, Gossip Girl co-creators ... And Taylor Momsen, the ever-iconic Jenny Humphrey, shared another photo of Michelle to her Instagram story as well.