When Kaleb greeted the prince he cheekily took aim at the royal's appearance after shaking hands with him. William said, "Lovely to meet you." To which Kaleb then commented, "Great hair." The prince chuckled: "Thank you," as he took the cheeky jibe in his stride.

Prince William is set to make a cameo appearance on Clarkson's Farm after meeting Kaleb Cooper and Charlie Ireland to discuss mental health within the farming community

Ahead of the fourth season of Clarkson's Farm debuting, a fifth season has already been confirmed, with Clarkson's The Grand Tour co-star James May recently explaining that the farming show has given him "a new purpose".