Red hair color is firing up Hollywood, with celebrities stepping out in shades of auburn, burgundy and strawberry blonde. Thinking about going red yourself? First, try on new hair ideas in our virtual makeover tool with celeb-approved hairstyles from Amy Adams, Christina Hendricks, and Nicole Kidman, among others. Expert tips reveal how to keep your hair color from fading. Plus, check out the best beauty products, shampoos and conditioners for redheads.