Kate Middleton wearing the famous Cartier shamrock brooch. Photo by Getty ImagesOn St. Patrick's Day this year, Kate Middleton broke one fashion tradition, and kept another going strong. For the past two years the Duchess of Cambridge has worn the same fit-and-flare Emilia Wickstead coat to celebrate the Irish holiday, but this year she switched it up in an even more flattering green double-breasted Hobbs Persephone wool coat. She completed the look with a matching green pumps and a Gina Foster hat (the same one she wore last Christmas), and perhaps most significantly, a recognizable sparkling Cartier shamrock brooch.
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The gold three-leaf shamrock pin, adorned with an emerald stone in the middle, was first worn by Queen Alexandra in 1901. It was then that Alexandra began the tradition of the shamrock ceremony, presenting lucky sprigs to 1st Battalion Irish Guards. (This year Middleton also presented one to the Battalion's mascot, Domhnall the Irish Wolfhound.) Also of note: The CartierRead More »from Kate Middleton’s St. Paddy’s Day Good Luck Charm Goes Way Back