If Kendall, Gigi, and Selena have anything to say about it—and we know they do—face-flattering sunglasses are suddenly passé. Before summer ends, indulge in the latest in shady behavior: skinny frames reminiscent of "Oops"-era Britney Spears. Adam Selman's collab with Le Specs inspired the models' optical proclivities, but the selection of thin—low-key uncomplimentary—frames are endless. Who needs a cheekbone-popping pair of cat eyes when these sunglasses are somuch cooler?