Kate Middleton enjoys a historic Trooping the Color.

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.

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

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

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

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

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

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

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

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

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

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

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

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