The actress shared photos of herself with cast members Penn Badgley, Leighton Meester, Michelle Trachtenberg, and more.

Blake Lively celebrated ‘Gossip Girl’s 18th anniversary with multiple never-before-seen photos featuring the cast behind the scenes of CW’s hit teen drama series.

Blake Lively is taking a walk down memory lane in honor of Gossip Girl ' s 18th birthday. The A Simple Favor actress ...

The Gossip Girl began in 2007 and concluded in 2012, running for 121 episodes. The show featured Blake Lively, Leighton ...

Eighteen years after Gossip Girl first aired, Blake Lively and her co-stars look back at the iconic series and bring ...

Blake Lively has remembered her late Gossip Girl co-star Michelle Trachtenberg by sharing a previously unseen photograph to mark the teen drama’s 18th anniversary. Lively uploaded a collection of 20 ...

Blake Lively shared memory pictures from "Gossip Girl" times on Instagram, also honoring her late colleague Michelle ...

Actress Blake Lively’s anniversary tribute to Gossip Girl blended wholesome behind-the-scenes memories with a moving tribute ...

Blake Lively is all out celebrating the 18th year of Gossip Girl, which first premiered in September 2007. In the American teen drama series, Lively played the role of Serena van der Woodsen.

In celebration of Gossip Girl ‘s 18th anniversary, Blake Lively, who plays ‘it-girl’ Serena van der Woodsen, has shared a bunch of behind-the-scenes snaps that truly embody the late 2000s to early ...

Trachtenberg, who died at the age of 39 earlier this year due to complications from diabetes mellitus , played the role of ...

Blake Lively just shared never-before-seen photos from the set of 'Gossip Girl' — and they're a total time capsule.