Gossip Girl is an American teen drama television series based on the novel series of the same name written by Cecily von Ziegesar. The series, developed for television by Josh Schwartz and Stephanie Savage, ran on The CW network for six seasons from September 19, 2007, to December 17, 2012.

Gossip Girl is an American young adult novel series written by Cecily von Ziegesar and published by Little, Brown and Company, a subsidiary of the Hachette Group. The series revolves around the lives and romances of the privileged socialite teenagers at the Constance Billard School for Girls, an elite private school in New York City's Upper East Side. The books primarily focus on best friends Blair Waldorf and Serena van der Woodsen, whose experiences are among those chronicled by the eponymous gossip blogger. The novel series is based on the author's experiences at Nightingale-Bamford School and on what she heard from friends.