Walk your way to beautiful legs! What do Kelly Brook, Heidi Klum and Elle Macpherson have in common? Beautiful legs! And it’s all thanks to … walking. Combined with good posture, it can make your pins look toned and slimmer, just in time for Summer! Walking is one of the most basic aerobic exercises you can do, and done right, it can have maximum effect for minimum effort! It’s not only something that we all do everyday but it’s also…