The Royals Kate Duchess of Cambridge #05 POP! Vinyl Figure is a popular one. People just seem to love collecting anything to do with the British royal family. When Catherine Elizabeth Middleton, better known as Kate, married Prince William, there was and is the potential for her to likely be a future queen consort if her husband becomes king of the United Kingdom. As one of the most influential people in the world, Kate is known for her charity work, focusing on issues surrounding young children, addiction and art.