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The same ReThe same Retire Savvy survey also stated that women should ditch their skinny jeans by the time they're 47. But, so long as you feel comfortable, this rule deserves to be ignored.

tire Savvy survey also stated that women should ditch their skinny jeans by the time they're 47. But, so long as you feel comfortable, this rule deserves to be ignored.

One Retire Savvy poll of 2,000 people determined that by the time a woman is 46 years old, she should opt for a shorter hairstyle. If you want to chop your hair because you've always wanted a lob, then head to the salon and make it happen. But you shouldn't feel like you need to make the leap merely because you're in your mid-forties. And if you, like Jane Seymour, have taken expert care of your luscious locks, there's no reason not to flaunt them, especially since they can make you look a decade younger.

If you're taller than the average woman—or man—then you've probably been told your entire life that high-heels are a major no-no. Instead, stop thinking of height as a bad thing. If you're a tall woman, you can, and should, wear whatever shoes you like.

Skirts that fall to the floor or reach below the knee have long been considered off-limits for women who aren't exactly tall. But even petite ladies can wear midi and maxi items. All you have to do to make this look work is pair your skirt with a form-fitting top so you're not drowning in fabric.

In the same way that fashion-savvy women used to never clash colors, they also refused to mix patterns. But in this day and age, successfully mixing patterns is the ultimate accomplishment. And guess what? It's super easy. To pull it off, make sure your prints share a single color and then pair patterns of different scales. But really, with the right amount of confidence, you can pull off anything.

For years, women kept their reds far from their pinks—lest the fashion gods look down on them. But recently, pairing colors that sit next to each other on the color wheel has come en vogue. We suggest you start pairing pink and red, green and yellow, and navy and turquoise ASAP. And for some things you definitely shouldn't wear—at least during the nine-to-five—read up on the 40 Things No Woman Over 40 Should Wear to the Office.

Um, yes, they are. If they cover your legs and aren't transparent, they qualify as pants. For a more modest look, pair them with an oversized sweater or tunic. And to see what an actual fashion faux-pas looks like, check out the Biggest Fashion Misses of 2018.

Somewhere along the line, women became convinced that wearing horizontal stripes would make them appear wide. But it turns out, this is fundamentally untrue—even science says so. According to the Helmholtz illusion, a square composed of horizontal lines appears taller and narrower than an identical square made up of vertical lines. That's the only proof we need to sn**ch up all the horizontal-striped shirts, skirts, and dresses we please.

This rule is so enduring that even the thought of a navy dress with black heels could make some women shudder. But there's nothing that says you're a stylish professional like a navy top over black pants or a navy shift with a black belt. To see which trends you should actually stay away from, here are the 30 Worst Fashion Trends of 2018.

But, nowadays, fashion icons like Iris Apfel prove the new rule is the more accessories, the more fabulous. So go ahead and layer those sunglasses, scarves, bracelets, and necklaces. In 2019, it's all about being loud and proud. And if you're looking for some items to add to your wishlist, check out the 50 Essential Accessories for Women Over 50.

Every woman knows the feeling of putting together a fun, daring outfit only to stop in her tracks and think: "Wait—is this allowed?"