The Prince of Wales told Princess Kate "George, Charlotte, Louis and I are so proud of you" in a heartfelt birthday message.

Prince George, Princess Charlotte and Prince Louis join Kate Middleton, Prince William, King Charles III and Queen Camilla on the royal family's annual Christmas walk in Sandringham Dec. 25.

It’s a technique Prince William and Princess Kate use to show how in tune they are when they attend official engagements ...

Prince William is celebrating his love and admiration for Kate Middleton as she marks her 43rd birthday. In a message posted ...