Watch Gossip Girl Season 2 Episode 21 online via TV Fanatic with over 7 options to watch the Gossip Girl S2E21 full episode. Affiliates with free and paid streaming include Amazon, iTunes, Vudu, Netflix, YouTube Purchase, Google Play, and Verizon On Demand.
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It's a war for the Waldorf between Blair and Nate, while Serena's new beau seems shadier by the minute and a newly-reformed Georgina returns to the Upper East Side.