Aired: April 25, 2011
Serena asks Charlie to spy on Blair and Dan. Meanwhile, Nate assists Raina in looking for her estranged mother; and Chuck uncovers some startling news about his father's past.
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Watch Gossip Girl Season 4 Episode 19 - Petty in Pink Streaming - Stream Gossip Girl Season 4 Episode 19 - Petty in Pink for Free - Free Streaming Online - Watch Gossip Girl Season 4 Episode 19 - Petty in Pink Online for Free
