Considering the amount of time celebrities spend in the makeup chair with wands, brushes, and sponges whirling around their faces, it’s only natural that they’d absorb a great deal of beauty intel from the artists they hire. In fact, for many celebrity–makeup artist relationships, their bond is much more than a professional contract. They’re good friends off set too. It’s simply the nature of the industry. Artists aren’t tight-lipped about their process but rather generously share what they find works best.