I used to have a really strong, flat stomach that I took for granted. Then one day, I looked in the mirror and thought, I remember when I could wear midriff shirts and not have a problem. What's happening? Well, for one, pregnancy happened--twice. It takes time to strengthen muscles that have gotten all stretched out. But then I picked up some tricks from the pros on The Biggest Loser. Their advice, plus my own trial and error, can help any woman who wants a flatter belly.
Related: 21 Ways to Burn Fat Faster
Your cheat sheet for a slimmer, sexier stomach:
1. Mix up your ab exercises
A lot of us think of the stomach as one muscle, but it's not. That's why traditional sit-ups--which only work the front, middle part of your stomach--aren't the most effective way to tone up. One of my favorite ab moves is simply