We all know that Jennifer Lopez is sexy [1], but when she slips into a bikini [2], her sexiness is on another level. In addition to shaking her infamous booty in music videos [3], the singer and mother of two [4] has been known to give us a glimpse of her incredible figure as she holidays with her family. Whether she's snapping a steamy selfie for Instagram or celebrating her birthday in style, these sexy bikini pictures prove that J Lo only gets better with age [5]. See some of her best bikini moments ahead.