We've all seem them. We all want them. And now you can get them! Whether you want to cut the perfect set of six-pack abs, tone up your legs or add definition to your arms, we've got the total-body workout to get you in sizzling summer shape from head to toe! Just grab a set of 5- to 12-pound dumbbells and a stability ball, and these 16 body-toning moves will have you flaunting your new physique up and down the pool deck in no time.