Katie Holmes and Lily James are just a few celebs cosying up in countryside core right now

Here's what you need to take part.
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Both actresses have tapped into the British countryside-core aesthetic that always comes back as the leaves get crunchier, prompting us to reach for those plaid scarfs, argyle jumpers and waxed field jackets. They are essentially what you'd see Princess Diana wearing at Balmoral. However, to make the look more city-friendly, the key is to dress up the accessories, whether it's with a chic boot like Lily or modern take on the parka like Katie.

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Statement plaid is also a great way to add an interesting touch of pattern to a monochromatic ensemble. Try tying a plaid shirt around the waist or layering a scarf over a trench coat as inspired by our favourite street style stars.

This season there are plenty of brands offering up fashion-forward styles that help you lean into British countryside-core while staying in the city—just the Ganni x Barbour collab alone is stun-ning. From corduroy trousers to luxe trenches to wellies, here are the pieces we're falling for.