Quick Quiz: Which Concealer Was a Tool of "Devil"? Quick Quiz: Which Concealer Was a Tool of "Devil"? Aug 20 2007 • By POPSUGAR Beauty 0 21 Everyone raves about the fashion in The Devil Wears Prada, but of course, I couldn't help but admire Anne Hathaway's flawless skin. I've done a little sleuthing to find out which concealer was used on set. Think you can guess?