We all know that Mr. Skin's preference in women's grooming habits leans toward the wild, woolly, unruly, and retro. But what about the hairdos above? If you've got a penchant for tough broads with coifs to match, check out Demi Moore, Sienna Miller, and more hot cueball cuties in our list of the hottest chicks with shaved heads. Bald is beautiful!