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Bobbi Brown On How to Do Your Makeup Like a Princess

Natural Arches

"To mimic Kate's natural look, begin by filling in your brows with a shadow that matches your hair color with a small brush," said Brown, who recommends her new Brow Kit ($45; bobbibrowncosmetics.com) to achieve the effect. "It has everything you need in a portable compact to create brows that perfectly frame your face."