Young and trendy clothes may look great on the killer body of a 40-plus woman. After all, Goldie Hawn shines in her trendy outfits even though they look like she raided daughter Kate Hudson’s closet. But should she? Definitely not, says celebrity wardrobe stylist Ricci DeMartino, whose clients include Eva Longoria Parker, Patricia Heaton and Lisa Kudrow. “Living in L.A. like I do, you can go to Malibu and see this look any day of the week!” DeMartino says. “But trying too hard only calls attention to yourself – it’s overcompensating. You don’t need to dress like a teenager to look young.” Most of us don’t push the clothes age barrier nearly as far, but even a tasteful fashionista may not always know how to dress appropriately as she moves past 35, 40 and beyond. How do you know when it’s time to lose which look? Here’s our style experts’ top 10 styles you’re too old to wear:   Retail Retirement Age:50Why: “An older woman shouldn’t feel she needs to show it all off. Anything below the middle of your [bustline] has got to go,” DeMartino says. “A little goes a long way,” writes Krupp, who in her book bans excessive “boobage” past the age of 40 and warns readers not to display too much sagging skin. Stunning Substitute:“A well-fitted tweed vest can be worn with a blouse underneath; unbutton a few buttons and you’re going to look sexy but classy,” he says.6. White, Ribbed Cotton Tank TopsRetail Retirement Age: 40 Why:Skimpier versions of this men’s-undershirt-style tank are worn all over Hollywood by hot actresses. “Women today want to keep up with much younger celebrities on TV,” DeMartino says. But what’s cool on the stars of “Gossip Girl” may not work on you. These tanks must go, Krupp says.