Katy Perry may have been supporting her man at the premiere of
Arthur in London, but her two-toned eyes took center-stage nonetheless. To try a similar lookthat is, one that's both elegant and a touch edgylayer two shades from the same color family on the top lid and the bottom lashline. Here, Perry chose metallics, pairing charcoal and copper. Navy and aquamarine, sea foam and hunter green, and eggplant and violet would also work.