Serena enlists Charlie to investigate Dan and Blair's activities.
Blair's secret confidant and romantic interest. [S4E19] Petty in Pink
. The episode originally aired in April 2011. It centers on the complicated relationships of the Upper East Side elite as a major secret is captured and blasted to the school community. 🎬 Episode Summary Serena enlists Charlie to investigate Dan and Blair's
The suspicious friend orchestrating the investigation. [S4E19] Petty in Pink
The Upper East Side queen dealing with the fallout of the leaked video.
For more details on the cast and full production crew, check out the episode page on Apple TV .