Cecily von Ziegesar (born 27 June 1970) is an American author of young adult novels. She is mainly popular for creating the Gossip Girl franchise.In New York City, she found a job with book-packaging firm Alloy Entertainment, where she became inspired to create the Gossip Girl series.
The Gossip Girl books present a view of high-end teenage lifestyles. The series climbed to the top of the New York Times Best-Sellers list in 2002. The spin-off, The It Girl, made the list in 2005.