Kate Middleton's gown has been in her closet for decade.

Kate Middleton wore a brown "Darwin" jacket by L.K. Bennett, which she has had since 2011.

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Under her coat, Kate wore her Holland Cooper Fair Isle turtleneck sweater.

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Kate favors vintage pieces, such as the 1950s dress she wore during a tour stop in Jamaica in March 2022.

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Kate wore a rented gown to the Earthshot Prize awards ceremony in Boston in December 2022.

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This year, Prince William and Kate will attend King Charles III's coronation and Royal Ascot.

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