Jennifer Lopez's American Idol outfits command attention—especially the sexy, crystal-covered leotard by The Blonds she wore during her live performance of "Dance Again." "Jennifer Lopez is a force of nature and so is The Blonds one piece!" designers David and Phillipe Blond told InStyle.com. "It's paved by hand with thousands of iridescent Swarovski crystals and changes color at every angle, and like Jen, it has a fabulous chameleon-like quality," they said of the design, which they tweaked for the star by ditching the fur pom poms shown on the runway."It looked amazing with her skin tone and it fit right into the futuristic set so well," David and Phillipe added. We agree! Click through the gallery to browse more of Jennifer Lopez’s hottest American Idol style moments.