BLAIR MAKES A CHOICE BETWEEN THE TWO MEN IN HER LIFE — When Gossip Girl goes after Blair (Leighton Meester) as she’s never done before, Serena (Blake Lively) admits she may have unintentionally played an important role in Blair’s latest nightmare. Meanwhile, Nate (Chace Crawford) invites Lola (guest star Ella Rae Peck) to move in with him, and Lily (Kelly Rutherford) must make a big decision about the future of her marriage. Finally, by episode’s end, Blair will make a choice between the two men in her life…will it be Chuck (Ed Westwick) or will it be Dan (Penn Badgley)? Kaylee DeFer and Matthew Settle also star. J. Miller Tobin directed the episode written by Sara Goodman (#524).