Blend a light gray, matte eyeshadow (try MAC Eye Shadow in Scene, $14) in the creases of your eyes extending the shadow outward toward the ends of your brows.
We teamed up with Gregory Arlt, director of makeup artistry for MAC cosmetics, to show you how to create this classic Twiggy look. It's easy if you follow these step-by-step instructions. For a complete look, pair this dramatic makeup with a wide headband and '60s-style turtleneck dress.