Contouring: It's one of those amazing makeup tricks that can fake the chiseled cheekbones of a supermodel -- provided you know how to do it. With just a few swipes of strategically placed makeup, you can practically redefine your bone structure. It's all about using light to play up your best features and shadow to downplay the ones you're not as fond of. Though the concept is essentially the same no matter your skin tone, women with darker complexions can run the risk of looking muddy. Here, we've rounded up the best contouring tutorials from YouTube with product recommendations for highlighting and lowlighting darker skin tones.