Insider Guide.

Insider's Guide Fashion

How to always be Fully Covered

By Rachel Zoe Rosenzweig Rosenzweig, a fashion stylist, has dressed Jennifer Garner, Jessica Simpson, and Salma Hayek for big events. We all know to wear a nude bra under a white T-shirt, but evening clothes mean complicated shapes, thinner fabrics -- and plenty of potential for visible panty lines, bra straps, and nipples. While you may not have paparazzi popping flashbulbs at you, chances are someone will make you pose -- and pictures last a long time. * Road-test your outfit. Try on your dress a week before a big event. If it's see-through, you'll have time to buy a slip or take it to a good tailor for a lining. * Buy some under-armor. Everyone should have a low-back corset bra for strapless dresses that are scooped in the back. For A and B cups, a self-adhesive NuBra, which looks like a pair of rubber cutlets that hook together, is perfect to wear under both strapless and backless dresses. Women with smaller chests can also get away with only wearing pasties -- not the stripper kind, with tassels and sequins -- just standard, regulation nipple covers. I like Fashion Forms Breast Petals, which look like flowers. If you're busty but your dress can't accommodate a bra, support your breasts with an adhesive bra, also by Fashion Forms, available at lingerie stores. Just lift your breasts, peel off the backing, and stick it on, maintaining a natural shape. It's not the most comfortable thing in the world, but it works well. * Check the rearview. Seamless Cosabella thongs in nude are the sexiest and the most inconspicuous. But with many thin garments, like bias-cut silk, satin, or chiffon dresses and skirts, you just can't wear anything on the bottom. I tell most of my clients to take off the thong and get a full bikini wax. (Yes, that can show through, too.) If you need to hide cellulite, you could try Donna Karan's ...