Cecily von Ziegesar
![Ziegesar at the 2012 [[Brooklyn Book Festival]]](https://upload.wikimedia.org/wikipedia/commons/1/10/Cicily_von_Ziegesar.jpg)
Cecily Brooke von Ziegesar ( ; born June 27, 1970) is an American author best known for the young adult ''Gossip Girl'' series of novels.
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