Prince William made a cheeky nine-word joke to his bride Kate Middleton's dad at their wedding in 2011, a lip reader has revealed.The quip was made to Michael Middleton on the fateful day of the couple's wedding over 13 years ago, with Kate's dad playing a key role in the ceremony by walking his daughter down the aisle. Ahead of the wedding, which was watched by millions on TV and had 1900 guests in Westminster Abbey, Kate Middleton was well known to be very close with her parents Carole and Michael, as well as her siblings Pippa and James.