Teenagers shopping (image©Rex Features)

Are you still clinging on to that tight-fitting top you’ve had since your youth because you can’t bear to stop wearing it? Are your teenage years behind you yet you're still wearing low rise jeans? If so, you could be in danger of one of fashion’s most common sins: looking older by dressing younger than your years.

We all want to look great as we get into our 20s, 30s, 40s and beyond, but putting on a miniskirt and midriff-bearing shirt when you get up in the morning could be adding years to your fashion age.
How often do you see women walking down the street dressed in fashion they haven't changed since their teenage years?

We've put together a guide of how not to fall into the trap by offering sophisticated, yet classy, alternatives to the 12 trends you should probably abandon when you enter your twenties.