If you want to improve your makeup game, the key is to start with a good foundation. For many, that's easier said than done. Shade matching and finding that unicorn formula — the one that looks like a better version of your skin instead of a cakey mask — can seem impossible. To help make the search for Mr. Right Foundation easier, we took these challenges to the pros in hopes of separating the flaky from the flawless. Read on for some of the ones they and their celebrity clients have come to love.