(7 of 12) Stars and Their ShadesWhether used to hide from the paparazzi, spice up an outfit, or simply block some rays, sunglasses are a celebrity’s multipurpose must-have accessory. The bigger the better is the current mantra in Hollywood and as always, they have to be top-of-the-line—Chanel, Prada, and Gucci are just a few of the A-listers’ favorite labels. Mary-Kate and Ashley Olsen The Olsen sisters sport little smiles and funky, edgy sunglasses at the Chanel fashion show in Paris on March 2, 2008.