Contouring and highlighting aren’t just meant for red carpets. Made famous by celebs like Kim Kardashian, these beauty tricks will chisel out your bone structure, strengthen your jaw line and highlight your best features—and you don’t need a professional makeup artist to do it. I spent a morning with the artists at Sephora learning the basics of this must-try trend in one of their 90-minute Sephora Beauty Classes, which take place mornings in the store before it opens (also on the …