Los Angeles, Sept. 22 -- Blake Lively marked the 18th anniversary of the iconic show Gossip Girl with a heartfelt post on social media, reminiscing about the unforgettable moments from the series that changed television forever.

She took to Instagram to share a heartfelt carousel of pictures from her Gossip Girl days, offering a nostalgic glimpse into her time working on the show.

The collection includes several heartwarming shots of Blake hugging her on-screen best friend, Leighton Meester, who portrayed Blair Waldorf.

Other images feature Blake with her co-stars, including the late Michelle Trachtenberg, Penn Badgley, Ed Westwick, and Chace Crawford, among others.

The photos capture the camaraderie and close bond the cast shared durin...