Jennifer Lopez [1] stunned at the American Music Awards in LA on Sunday. Donning a light-pink cutout dress, the singer and actress hit the red carpet and showed off the physique she puts to the test [2]. Although Jennifer's belly button was covered, her ab muscles could not be missed. More than three hours after she debuted the look, Jennifer slipped into a supersexy black and white bodysuit to perform her hit "Booty" with Iggy Azalea. She's not the only star to turn it up a notch, as Kendall and Kylie Jenner and Khloé Kardashian also showed serious skin [3]. Keep reading to see more pictures of Jennifer at the show, and be sure to check out all the stars on the red carpet [4].

Jennifer caught up with Mary J. Blige.