Not satisfied with just being Queen of Constance Billard, Jenny sets her sights on becoming the queen of all the Upper East Side by landing the hottest escort for Cotillion. Nate and Chuck plot to help Serena and Blair repair their damaged friendship. Dan is upset when Olivia (recurring guest star Hilary Duff) contemplates leaving school for a movie project. Plus, all-girl French rock band Plastiscines performs.
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