Over 10 years of marriage, how the Duchess of Cambridge's jewellery collection has evolved In the decade since she became the Duchess of Cambridge, Kate Middleton has acquired and borrowed some sensational jewels 29 April 2021 • 5:00am The Duke and Duchess of Cambridge on their wedding day on 29 April 2011 Credit: AP Photo/Tom Hevezi In the 10 years since Prince William and Kate Middleton tied the knot, she has gone from being a softly spoken member of the Mahiki party set to a mother of three, mental health campaigner and Queen in waiting. Much has been written about her style evolution since she stepped out in that Alexander McQueen wedding dress on April 29, 2011, but what’s just as interesting is how her jewellery has evolved over the course of their relationship. These are the key jewellery moments that mark 10 years of the Duke and Duchess of Cambridge.