Stars are stepping up their style with two-tone shoes in black and gray. Olivia Wilde wore a strappy pair of Loeffler Randall sandals to a recent event. "I love the way this pump is feminine and aggressive at the same time," says designer Jessie Randall. "It is a shoe that is understated, yet sexy and because of the muted color it goes with everything." Play up the contrast with opaque black tights.

Shop online now for Loeffler Randall shoes