Watch Gossip Girl: It-Girl Happened One Night Season 04 Episode 15 Online

Gossip Girl: It-Girl Happened One Night Season 04 Episode 15, Summary: 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.

This series will be aired on Monday on 14 February 2011 at 09:00 PM on CW.