(Do do you know what is makeup.see these pictures) Some female celebrities are pretty stunning on screen but a lot of them are fairly ordinary without makeup. That’s why plastic surgery and cosmetic aids like Botox are so popular in Hollywood. Here are a few of your popular stars without makeup..oops! Cameron Diaz, Silicia Silverstone, Britney Spears, Calista Flockhart, Charlize Theron, Christina Ricci & Julia Roberts.