Kate Middleton Nailed the Casual Chic Look in This Blue Dress

Today, Prince William is competing in the Maserati Royal Charity Polo Trophy at Beaufort Polo Club in Gloucestershire—about two and half hours northwest of London. His family traveled with him for the event, and spent the day hanging out outside, and generally being adorable.

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Kate Middleton looked stunning as usual in a casual blue dress.

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She accessorized the dress with simple flats, a white bag, and sunglasses. Her three-year-old daughter, Charlotte, copied her mom's style, in a cute sundress of her own with sunglasses.