The 25 Best Fashion Tips of All Time 1. Round Up a Posse of White Cotton Button-Downs They elevate jeans and keep ball skirts from drifting into fantasy-land. But all that mileage comes at a cost: a short shelf life. So buy three, don't over-bleach (which can cause yellowing), and refresh regularly. 2. Accessorize in Brights If you've got a closet full of neutrals—be they navy, black, camel, or gray—add energy with boldly hued shoes and bags. Not only is a hunter green satchel more lively than ho-hum black, but it's also surprisingly versatile. Feeling really brave? Wear a neutral base with shoes and a bag in two different complementary colors. 3. Think in Multiples Take a cue from Jackie O, who had a closet full of sheath dresses. If you find an especially flattering fit right off the rack, go ahead and buy doubles. When it works, why question it? 4. Know Your Stretch The secret formula for a soft but formfitting T? 95% cotton, 5% Lycra spandex. For jeans to hold their sha...