Leighton Meester on Blair Waldorf's Most Daring Outfit!

Cast

• 

  Blake Lively

  Serena van der Woodsen

• 

  Leighton Meester

  Blair Waldorf

• 

  Penn Badgley

  Dan Humphrey

• 

  Chace Crawford

  Nate Archibald

• 

  Ed Westwick

  Chuck Bass

• 

  Matthew Settle

  Rufus Humphrey

• 

  Kelly Rutherford

  Lily van der Woodsen