We delved deeper into the duchess' beauty products. >> don't overload your hair with products. >> reporter: and what the cost would be of being kate. >> rub it in like a hand cream. >> reporter: at her favorite hair salon, richard ward is the man who makes sure her beautiful mane is perfect. having a blowout here sets you back $75. let's do the math. reports claim she goes three times a week. a cool $11,700 a year. and the cuts, color and treatments, add another $7,000. and that's just on her hair. what about the makeup and that natural look? we asked sarah bella-preston who gave kate tips on ...