He is entertaining the nation by showing off his moves with dance partner Amy Dowden on Strictly Come Dancing. Now, former Marine JJ Chalmers tells HELLO! he honed his skills at the wedding of his friend the Duke of Sussex.

"I remember dancing at Harry and Meghan's wedding. It was a bit of a reunion as there were a lot of mine and Harry's mutual friends there," says JJ, who first met Prince Harry when he was asked to be spokesperson for the inaugural Invictus Games.