In search of a slimming swimming suit for contoured curves and hide that couple pounds you gained lately? We picked a tummy-control swimsuit for a flattering fit. Look confident with these one-piece swimsuits that take away a couple of inches off your waist, hips, and tummy. VC tips! While one-piece swimsuits in general will help, it all depends on the material, waist details, prints, and cuts. Look for your perfect tummy control swimsuit!