[WATCH] JENNIFER LOPEZ - DANCE AGAIN (AMERICAN IDOL PERFORMANCE)
Jennifer Lopez took the American Idol stage to perform her single "Dance Again" during the Top 4 Results show with her shirtless male dancers and of course her cutie bf Casper Smart. J. Lo looked great! She sang and danced throughout the performance like the pro that she is. If you're wondering, no, Pitbull didn't make an apperance. Instead, J. Lo filled up that slot to reenact the one-on-one dance with Casper from the music video. Be sure to check out the hot little number!