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Looking to watch Gossip Girl Season 4 Episode 19 online? TV Fanatic is your destination for every paid and free streaming option of the Gossip Girl S4E19 full episode from 2 affiliates.

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Episode Details

Gossip Girl Season 4 Episode 19: "Petty in Pink"

Serena enlists Charlie to go undercover Gossip Girl-style to determine why Dan and Blair are spending so much time together. Chuck makes a devastating discovery of his own.