Kate Middleton and Princess Charlotte teamed up for a surprise piano duet at her fifth annual “Together At Christmas” carol ...

Royal Expert Katie Nicholl talks to ET about Kate Middleton's surprise appearance at the Wimbledon Men's Single Finals game on Sunday. On Sunday, Kate Middleton -- who is patron of the All England ...

Prince George wears a suit on his 11th birthday in a new black-and-white portrait snapped by his mom, Kate Middleton. Happy Birthday, Prince George! The young royal rings in his 11th birthday on ...