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Sunglasses with a black or tortoise-shell frame and ovalish or rectangular rims are understated and timeless, and portray effortless elegance.
How to wear them: For a polished look, choose dark lenses to go with these classic frames. Play up your face shape with the right frame: "Round faces look best with straight, squared-off frames," advises Andy Paige, author of Style On A Shoestring. If you have a heart-shaped face, look for frames that are wider at the bottom. Frames with a straight top and a curved bottom (as sported by Zoe Saldana) flatters diamond-shaped faces.