Linda EvangelistaTHE LOOK Graduated a-line bob HOW-TO Stylist Guy Riggio recommends asking your stylist for triangular layers, "which give volume and lift in the back and come to a nice point in the front by the chin." When styling, use Aveda's gloss product, says Riggio. "Bobs look best with shine." INSIDER TRICK "If you have coarse, wavy, or thick hair, flat iron this style to get the sharp, clean look," says Riggio. BUY ONLINE NOW Aveda Brilliant Emollient Finishing Gloss, $23; aveda.com.