Gossip Girl - Season 4 Episode 9
Chuck hosts a "Saints and Sinners" masquerade party at the Empire Hotel. At the party, Dan and Nate don't know what to make of Serena's strange behavior and mixed messages. Blair sets her sights on becoming the new face of Anne Archibald's foundation for girls, but Anne is concerned that Blair's friendship with Chuck Bass may be problematic.
- genus: Drama, Mystery
- Studio: The CW
- keyword: upper class, new york city, based on novel or book, private school, bullying, growing up, class differences, teenage romance, teen drama, based on young adult novel, cheerful
- cast: Blake Lively, Leighton Meester, Penn Badgley, Chace Crawford, Ed Westwick, Kelly Rutherford