1. Marilyn Monroe

Brunette, ambitious but anonymous, Norma Jean bought a bottle of peroxide, renamed herself Marilyn and stripped off. And the rest is history.

The 1940s pictures she agreed to have taken of her frankly perfect naked form aren’t quite in the same porn league as Paris Hilton or Pam Anderson, but it was a simpler age back then, and it certainly would have made grandpa blush when he wasn’t shooting people in Europe. Apparently Norma Jean did like it hot.