William and Kate paid a more light-hearted celebration of St Patrick’s Day, with the Duke of Cambridge trying his hand at speaking Irish. He began the greeting saying, "Beannachtai na

Feile Padraig oraibh," followed by Kate, who said: "We're delighted to wish you all a very Happy St Patrick's Day." William quipped to his wife: "How come you

got that easy bit?" Also featured in the video message was US president Joe Biden, who marked the occasion with a call to Micheál Martin, Irish Taoiseach.