Kate Middleton Wears Custom Alexander McQueen for St. Patrick's Day

Kate Middleton wore a custom Alexander McQueen coat for St. Patrick's Day. Along with her husband, Prince William, Kate visited the 1st Battalion Irish Guards at Cavalry Barracks in Hounslow, England.

Street fashion, Fashion, Uniform, Standing, Smile, Military uniform, Coat, Marching, Overcoat,
(Image credit: Getty Images)

Today is St. Patrick's Day and the royals are celebrating. While American commoners might celebrate the holiday with some day drinking or by childishly pinching anyone not wearing green, Prince William and Kate Middleton (opens in new tab), are ringing in the day with an important royal engagement.

The Duke and Duchess of Cambridge (opens in new tab) kicked off Sunday with a visit to the 1st Battalion Irish Guards at Cavalry Barracks in Hounslow, England. Visiting the barracks is a tradition for the royal couple, so the engagement doesn't come as a shock.

Also firmly in the "not a shock" category: Kate's amazing, head-to-toe green look. This year, the duchess opted for a bespoke, emerald green coat from Alexander McQueen, according to Kate fashion-focused Twitter account @KateMCambridge (opens in new tab). Here's a look at full outfit:

Clothing, Fashion, Street fashion, Coat, Overcoat, Trench coat, Standing, Outerwear, Dress, Footwear,

(Image credit: Getty Images)

Kate accessorized (opens in new tab) her Emerald City-worthy look with a matching hat, Gianvito Rossi (opens in new tab) black Piper suede pumps, and a chic pair of black gloves.

Here's a look at the back of the coat:

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(Image credit: Getty Images)

And, just because, here's one of Will admiring (opens in new tab) the back of, um, the coat:

Uniform, Military uniform, Fashion, Standing, Military officer, Street fashion, Military, Event, Headgear, Outerwear,

(Image credit: Getty Images)

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Kayleigh Roberts
Kayleigh Roberts

Kayleigh Roberts is a freelance writer and editor with more than 10 years of professional experience. Her byline has appeared in Marie Claire, Cosmopolitan, ELLE, Harper’s Bazaar, The Atlantic, Allure, Entertainment Weekly, MTV, Bustle, Refinery29, Girls’ Life Magazine, Just Jared, and Tiger Beat, among other publications. She's a graduate of the Medill School of Journalism at Northwestern University.