Bikini season's breathing down your neck, and instead of a taut tummy, you've got a bulging belly. Hey, it happens. Summer is the best time of year to slim down, and these quick flat belly meals are just the thing to help you drop pounds. Each takes no more than five minutes to prepare, so they're an easy way to lose weight on the go. Plus, a study commissioned by Prevention at the Yale-Griffin Prevention Research Center found that overweight women who followed the diet for 28 days lost 8.4 pounds and nearly 2 inches around the waist!