Gossip Girl: Season 4 Episode 15: It-Girl Happened One Night
Starring: Blake Lively, Leighton Meester, Penn Badgley, Jennifer Missoni, David Call, Michael Boatman, Matthew Settle
Length: 42 minutes
On Air Date: 14 Feb 2011
Gossip Girl: S04E15 Description: With Russell Thorpe poised for a takeover attempt of Bass Industries, Chuck makes one last-ditch effort to save his family’s company. Blair is given a challenging assignment at W Magazine with the promise of a possible promotion. Serena struggles with her feelings for Ben.