It’s a tradition she began years ago and has continued, including at Nov. 10’s Remembrance Sunday event at The Cenotaph

Beyond the three poppies, Middleton's outfit had even more hidden meanings. For starters, her Catherine Walker coat dress was likely a tribute to Princess Diana, who counted Walker as a personal friend and one her favorite designers. Meanwhile, her Collingwood pearl earrings previously belonged to the late Queen Elizabeth.

Kate Middleton made a rare appearance today amid her cancer recovery, joining the royal family for the National Service of Remembrance—the formal observance of Remembrance Sunday at the Cenotaph, a war memorial in London.