You can cinch your waist with a belt, bare your stomach in a crop top, or wear high-waisted jeans to accentuate your curves. But if you want to change your body without clothes, it will take a bit more work: To tighten your core while you define your shoulders and give your butt a shapely boost, start with the moves. Do up to three sets of 10 to 12 reps of each move before you move on to the next one, and repeat the entire routine at least two to three times per week to see changes.
