Prince and Princess of Wales release previously unseen photograph on anniversary walesonline.co.uk - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from walesonline.co.uk Daily Mail and Mail on Sunday newspapers.
It's 13 years since Princess Kate wore a gorgeous vintage style dress while walking down the altar to marry Prince William - and there's a hidden detail about the dress you might have missed