Catherine, Princess of Wales joined the royal family as they paid their respects to all those who have lost their lives in conflicts at the annual Remembrance Day service in London on Sunday. King Charles III,

During her Nov. 9 appearance, Princess Kate paid a subtle tribute to her late mother-in-law, Princess Diana, wearing a pair of Collingwood pearl earrings that once belonged to the former royal, People reports.

Princess Catherine has dazzled onlookers in her first high-profile appearance in months since undergoing cancer treatment.