Like Prince Charles and Diana before them, the romantic gesture will become one of the defining images of their wedding day - and both will be acutely aware of its significance.
Body language expert Peter Collett, author of The Book Of Tells, said the body language of William and Catherine was diametrically opposed to that of Charles and Diana 30 years ago. And their loving gestures towards one another signals that theirs will be a long and happy union.

