One thing I've always admired about Kim Kardashian, aside from her business savvy, is how ethereal her skin looks when she walks the red carpet. Of course, skin prep is part of the equation, but the real secret to her show-stopping radiance is a specific creamy highlighter. One of Kardashian's favorite makeup artists, Ash K. Holm, tells Us that she uses the Makeup by Mario Soft Glow Highlighter on the multi-hyphenate. "She loves a glow, and this highlighter delivers every time," Holm said. "It gives a soft-focus sheen that looks lit-from-within, never powdery.