photos courtesy of The CW (Gossip Girl)
Blair (Leighton Meester) prepares to celebrate her upcoming royal wedding with a bachelorette party, but others scheme behind her back to make this a night to remember.
After discovering the truth behind Chuck (Ed Westwick) and Blair's car accident, Nate (Chace Crawford) joins forces with a surprising ally to gather the evidence.
Serena (Blake Lively) and Dan (Penn Badgley) pretend to be dating again to protect someone close to them. Kelly Rutherford and Matthew Settle also star.
Gossip Girl airs every Thursday at 8 p.m. on ETC.