Mario Dedivanovic or as many like to call @makeupbymario is the legendary makeup artist behind Kim Kardashian, Chrissy Teigen, and Chanel Iman to name a few. Not only did he bring the art of contouring to a whole new level, but he's also the mastermind behind the sandbagging technique and many other signature tricks that are taking over beauty these days. A few weeks ago I had the honor of attending Mario Dedivanovic's Master Class...