In fact, until this past weekend, Kate hadn't worn her engagement ring in any public appearance—or any images or videos shared on Kensington Palace's social media channels—since attending the Wimbledon men's finals in July with her sister, Pippa, and her daughter, Princess Charlotte.

Princess Kate joined Prince William at Remembrance Day Events on Saturday and Sunday, less than a year after her cancer diagnosis put her appearances on hold.

Remembrance Sunday is a totemic event in the U.K., with the monarch leading senior royals, political leaders, including Prime Minister Keir Starmer and his eight living predecessors, and envoys from the Commonwealth countries in laying wreaths at the Cenotaph,