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

George, Charlotte, Louis and I are so proud of you. Happy Birthday, Catherine." "We love you. W," he closed the message. It was coupled with a stunning previously-unseen portrait of the princess ...

The Post understands that the princess will spend the special day at Adelaide Cottage, the Wales' family home.