Kate’s hair is, in the classical tradition, stylishly located on her head.
The secret to having hair like Kate is to make sure you have hair on your head too. Simply look in a mirror at eye level, look up a bit, and if you see hair, you are in luck!
Don’t have a mirror? No problem! Put your finger between your eyes, raise it up a few inches, and if you feel something stringy, you have hair like Kate! If you feel something stringy, and then something scalpy, you have hair like William, ha, ha, ha!