Rachel Bilson | Gossip Girl

• Genre: Teen drama, Soap opera
• Based on: Gossip Girl by Cecily von Ziegesar
• Developed by: Josh Schwartz, Stephanie Savage
• Showrunners: Josh Schwartz (seasons 1–3), Stephanie Savage (seasons 1–3 & 6), Joshua Safran (seasons 4–5)
• Starring: Blake Lively, Leighton Meester, Penn Badgley, Chace Crawford, Taylor Momsen, Ed Westwick, Kelly Rutherford, Matthew Settle, Jessica Szohr, Kaylee DeFer
• Narrated by: Kristen Bell
• Opening theme: "Steps of the Met" by Transcenders
• No. of seasons: 6
• No. of episodes: 121
• Executive producers: Josh Schwartz, Stephanie Savage, Donovan Shavis, Bob Levy, Leslie Morgenstein, John Stephens, Joshua Safran, Sara Goodman
• Production locations: New York City (Manhattan and Brooklyn), Long Island East End
• Running time: 39–44 minutes
• Production companies: Warner Bros. Television, Alloy Entertainment, College Hill Pictures, Inc., CBS Television Studios, Fake Empire
• Network: The CW
• Release: September 19, 2007 – December 17, 2012

The series focuses on a group of privileged teenagers who attend a prestigious high school on the Upper East Side of Manhattan in New York City. Their private lives are constantly commented upon by an unknown blogger under the pseudonym "Gossip Girl". 

"New York, I Love You XOXO"

Serena decides to come back to New York and confront Dan about the "Serena Chapter". Chuck proposes to Blair when he is implicated in the death of Bart. Georgina joins forces with Jack Bass in one last scheme to help Chuck and Blair. Nate and Sage try to find the identity of Gossip Girl with the information that they have. William van der Woodsen returns to comfort Lily and rejects Ivy who finally realizes that William used her just to win Lily back. Dorota, Eleanor, and Cyrus also become involved in planning Chuck and Blair's improvised wedding. Various characters from previous seasons make cameos, including Vanessa, Juliet, Agnes, and Lola. Kristen Bell has a cameo as herself alongside Rachel Bilson. Dan is revealed to be Gossip Girl.

Five years later: The group gathers for Dan and Serena's wedding. Eric and Jenny are both in attendance as are Eleanor and Cyrus Rose, who is delivering the vows. Nate has become successful with The Spectator and will likely run for Mayor of New York City. Chuck and Blair are still married and have a four-year-old son named Henry Bass. Ivy has written a best-selling autobiography titled Ivy League which has been adapted into a major Hollywood feature film with her as the screenwriter and starring Olivia Burke and Lola Rhodes as the Serena and Ivy/Charlie characters. Georgina and Jack have gotten together, Lily and William are finally back together, and Rufus is with Lisa Loeb. In the final shot, a new generation of wealthy Upper East Siders are seen at Constance as a new lonely boy walks past his classmates, denoting the beginning of a brand-new Gossip Girl.