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Kate Middleton is no stranger to chignons. In fact, she rocks one almost as frequently as her signature sleek blowout. So, when it came time for the 37-year-old Duchess of Cambridge to decide on a hairstyle for the annual 1st Battalion Irish Guards St. Patrick’s Day Parade at Cavalry Barracks yesterday in Hounslow, England, she opted for a tried and true updo…with a twist.

While attending the St. Patrick’s Day Parade, which she and husband Prince William do each year, Middleton donned a double-braided chignon that looked effortlessly chic (and paired nicely with a Guinness).

Kate Middleton braided updo
Max Mumby/Getty Images

Middleton’s pulled-together updo featured braids that began on both sides of her temples and met at the crown of her head to frame a low netted bun at the nape of her neck. It’s a similar style to one she rocked at the Remembrance Day service last November.

The regal hairstyle was befitting of the Duchess of Cambridge’s green military–inspired custom Alexander McQueen coatdress with gold buttons and peplum detailing. She fastened a gold shamrock brooch, said to be a family heirloom from Cartier that once belonged to the Queen Mother (aka Queen Elizabeth’s mom) to her left shoulder to make the ensemble even more festive. Middleton also wore an ornate beret-style fascinator affixed with suede flowers in the same shade of green as her McQueen coatdress. She topped the look with black gloves, her go-to Gianvito Rossi block-heel pumps and stunning green tourmaline and green amethyst drop earrings by Kiki McDonough.

The coatdress! The earrings! The beautifully arranged braided chignon! There’s no doubt Middleton crushed St. Patrick’s day fashion.

Still, the question remains: Did Prince William’s newly acquired YouTube tutorial hair skills contribute to her look in any way? All signs point to most likely not.

RELATED: Kate Middleton Just Revealed Her Nickname for Princess Charlotte, and It's Adorbs

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