The judges were up on their feet once again! Kelly Rowland thought they managed to top their previous performance of "Say Something." An emotional Simon Cowell said to Alex & Sierra, "You are exactly what a talent show in America needs. You're current. I think you're going to have a successful career, but, based on what you have achieved throughout the competition, I think you deserve to win. You never changed one bit through the competition, and you are the nicest people I have ever had the pleasure of working with." We hope Leona Lewis didn't hear that last comment backstage!