Stars' Summer Style

While the shape of these Ksubi glasses looks great on Gwen, it's also important to keep the frame's color in mind. If you wear a bright shade—which is all the rage right now—make sure you don't wear a matching outfit. Neutrals, as Gwen demonstrates, are best with turquoise.

BUY SHADES LIKE GWEN’S NOW Turquoise glasses, Emilio Pucci, $265; at shopkitson.com.