
The 47-year-old Aussie-born mum-of-four was snapped on a visit to the House of Scandinavia, which promotes Danish culture in the USA, wearing a green and black tartan coat with a black jumper and pants
But she's not the only member of a royal family to be snapped wearing tartan, as both Kate Middleton and Meghan Markle are fans of the classic design
Later in the day, Mary underwent a quick outfit change into a printed dress and nude heels to meet with the Governor of Texas, Greg Abbott and Texas First Lady, Cecilia Abbott at the Governor's Mansion
The Danish royal rounded off her day with one more outfit change - a white blazer and sparkly top to give a speech at a reception at the House of Scandinavia
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