Kate Middleton enjoys a historic Trooping the Color.

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Kate turned 41 Saturday. Many royals attended King Charles' first birthday parade, including his daughter-in-law, who rode in a horse-drawn carriage with Queen Camilla.

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Kate, George, Charlotte, & Louis took buses this year. Princess Kate wore Singaporean Andrew Gn & Philip Treacy headwear.

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Prince William's November Asia Earthshot Prize inspired them. Go green! Thus, color.

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Kate's first Trooping was green. King Charles replaced her Welsh Guards husband with an Irish Guards Colonel.

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Prince of Wales has honored that guards unit most St. Patrick's Days since 2011.

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Kate's royal shamrock brooch. Welsh Guards Colonel Prince William paraded.

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This year, the regiment will present its "color," or flag, to the King.

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William, 41, wore his honorary officer outfit and bearskin helmet.

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Queen Camilla and Princess Kate delivered the King the Welsh Guards' flag, or "color," at Horse Guards' Parade.

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Princesses featured. Kate attended every Trooping the Colour since 2011.

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COVID-19 slowed 2020 and 2021's monarch's birthday parade. September funeral.

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Trooping the Colour 2022 commemorated the late Queen's Platinum Jubilee. Elizabeth ruled longest.

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