The Countess of Wessex stepped out in a burgundy hat for her visit to the Corps of Army Music with husband Prince Edward last week, and she's not the only royal to own the striking Philip Treacy headpiece.

The ultimate accessory for winter walks, fashion insiders have long embraced the classic fedora hat.

Think of Diana, Princess of Wales’s style, and it’s most likely her neat skirt suits, glamorous evening gowns or gloriously ’90s sportswear that springs to mind. But Diana was also quite the champion of exuberant hats. 

Hats are tricky to pull off at the best of times, but you actually have a legitimate excuse for getting away with wearing one.

Ikea launches limited-edition branded bucket hat - and it's already selling out. Hat is currently only available in Australia

This summer headgear is back. Again. But for many wearers, it never went away

winter hats for men, whatever your head shape

It's a shame to restrain your hat-wearing habit to the cooler months. A beanie might be cosy but a hat in the summer has the ability to take your look into a whole new realm of style, elevating it to do dressy or taking it to cool-girl casual in a flash.

Peaky Blinders fans, gather up. The iconicity of the gang starts (and ends) with their finishing flat caps: boasting a panelled construction, stiff peak and often clad in grey.

If you want to get the measure of this year's top accessory, think big, says Emma McCarthy

Shopping for a pitch perfect headpiece? Here's everything you need to know

In the new series of The Crown, Olivia Colman sports one of the Queen’s most eye-catching headpieces. But royal hats have often turned heads over the years