Prince William and Princess Kate have been married for more than a decade and share three children together - and there's one thing that helps them.

A natural leader has emerged within the Wales family - and it isn't Prince William nor Princess Kate, according to a body language expert who says the signs are clear

Since completing her chemotherapy treatment, Kate Middleton has been making a slow but steady return to royal duties with a handful of public appearances recently. But her husband, Prince William, is reportedly making sure she isn't biting off more than she can chew.

The Prince and Princess of Wales have been together for more than 20 years - and now a royal expert has revealed the trait that is 'key' to their happy marriage