Luckily, I was born with an hourglass shape. but for extra toning here's an exercise for the Transversus Abdominis (AKA the muscle that pulls in the ring of your waist) One area of your abs you may be neglecting is the transversus abdominus - without working it, you run the risk of developing a square torso (straight up and down) rather than an hourglass one (tapered at the waist).
After baby! 15 min belly blasting workout - Every woman can end up with a belly pooch due to underworked lower abdominal muscles. This workout will tap into the deep abdominal muscles—the transverse abdominis—that pull in your waistline like a corset. Do these moves one after another with no rest in between. Then repeat the circuit so you're performing it a total of two times.