On September 9, 2022, the first full day of the reign of her father-in-law, King Charles III, she became the Princess of Wales after her husband, William, became the Prince of Wales, the title usually bestowed on the heir apparent to the British throne. She is the first person to use the title Princess of Wales since William's late mother Princess Diana, as Charles' second wife Camilla Queen Consort opted not to use it publicly because of its strong association with Diana.
