Jennifer Lopez [1]'s body is insane — and she knows it, that's why she takes any chance she has to show it to us, whether it's wearing a nearly naked dress [2] on the red carpet or a skimpy outfit while performing [3] or on the cover of Us Weekly's Best Bodies issue in a supersexy cutout swimsuit. In the interview, J Lo says: "I feel sexy; I feel youthful; I feel pretty sometimes, sometimes I feel not pretty. I think a healthy body image comes from being the best you, not competing with anybody else." Keep reading to watch a behind-the-scenes video of the shoot, and pick up the issue on stands now to see more pics.