Sienna Miller, Priyanka Chopra and Sophie Turner are obsessed with this Mango coat

sophie turner

You know you've got a high-street hit on your hands either when it blows up Instagram, or when all the celebrities are wearing it - let's face it, if you've got your pick of all the designer items, you're not likely to shop on the high street.

And Sienna Miller, Sophie Turner and Priyanka Chopra are all fans of a brown Mango coat this season.

The longline tailored coat is part of the AW18 collection, and features a classic collar and button fastening.

Sienna wore hers over jeans while travelling at Heathrow, while Sophie Turner wore it out on a date night in London with her fiancé Joe Jonas.

Meanwhile, either Priyanka Chopra borrowed the coat off her sister-in-law, or loved it so much she bought her own, because she too was spotted wearing it this winter. She dressed it up with a printed blouse and wide leg trousers, while Sienna and Sophie teamed it with jeans for a more casual look.

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Sadly, the coat went in the sale, and promptly sold out, however I've found virtually the same one for you. Get it quick before it's gone, it's the perfect shade for the season.

Penny Goldstone

Penny Goldstone is the Digital Fashion Editor at Marie Claire, covering everything from catwalk trends to royal fashion and the latest high street and Instagram must-haves.

Penny grew up in France and studied languages and law at the Sorbonne Nouvelle University in Paris before moving to the UK for her MA in multimedia journalism at Bournemouth University. She moved to the UK permanently and has never looked back (though she does go back regularly to stock up on cheese and wine).

Although she's always loved fashion - she used to create scrapbooks of her favourite trends and looks, including Sienna Miller and Kate Moss' boho phase - her first job was at MoneySavingExpert.com, sourcing the best deals for everything from restaurants to designer sales.

However she quit after two years to follow her true passion, fashion journalism, and after many years of internships and freelance stints at magazines including Red, Cosmopolitan, Stylist and Good Housekeeping, landed her dream job as the Digital Fashion Editor at Marie Claire UK.

Her favourite part of the job is discovering new brands and meeting designers, and travelling the world to attend events and fashion shows. Seeing her first Chanel runway IRL at Paris Fashion Week was a true pinch-me moment.