Season 4, Episode 1 Belles de Jour
First Aired: September 13, 2010
In the Season 4 opener, Blair and Serena enjoy summer in Paris, trying to forget about the guys back home. Elsewhere, Nate meets a woman (Katie Cassidy) who disapproves of his playboy behavior; and Dan plays house with Georgina and her newborn baby.
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- Premiered: September 19, 2007
- Rating: TV-14
- Premise: Privileged students in Manhattan keep up on local gossip from a secretive blogger who gets the scoop on everything and everyone. Based on the series of books by Cecily von Ziegesar. (more)