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As far as I'm concerned, Alexa Chung is still *the* British style icon. Whenever the 41-year-old wears something, I start a full investigation into each item's exact brand and product number — and pray I can afford to replicate the look.

From her cult favourite sunglasses to that iconic Topshop suede skirt, she perfectly treads the line between 2020s It-Girl and timeless Parisian style. And it’s not just me saying ‘ooh-la-la’ at her wardrobe: it’s rumoured the model and presenter had to be banned from the British Fashion Awards’ Celeb Style shortlist, otherwise nobody else stood a chance.

It’s no surprise, then, that Chung’s a regular at pretty much every A-list event, from the Met Gala to the London Fashion Week runway. But while her appearance at the fancy Cannes Film Festival was no shock, the outfit she chose to travel in did capture our attention – mainly, because the designer darling was snapped in a high-street buy.

Snapped at her hotel, the model looked effortlessly chic in a khaki trench coat, the perfect light layer for in-between spring days. The coat in question? Mango’s Oversized Creased-Effect Trench Coat, which, unbelievably, is still in stock online.

Finding the perfect trench is always tricky: some are too stiff, others are too shiny, and lots are too elderly-detective-in-an-ITV-drama. But Mango’s perfect layering piece cracks the code. There’s the slouchy shape (very French), a lightweight feel, and a soft khaki shade for a modern twist on the traditional beige outerwear.

The best bit? You don’t really need to worry about what’s underneath it, as you’ll only see a peek of your outfit at the bottom. Chung paired hers with white trousers, but it works with any summer combo, from light blue straight-leg jeans to a pretty lace slip dress when the evening temperature starts to drop.

Mango’s Oversized Creased-Effect Trench Coat is available in-store and online now for £229.99. It’s a bit pricier than the brand’s usual offerings as it’s part of the Selection line: the store’s staple wardrobe pieces made with quality materials and designed to last season after season. We’re shopping now – and given pretty much everything Chung wears sells out (then sells for five times the price on resale sites), we suggest you do the same.