Prince Louis, who is third in line to the throne, is known for his cheeky antics, and it seems that his grandmother Carole Middleton is no stranger to his mischievous ways ...

Kate Middleton was given a gift for her mom Carole Middleton's 70th birthday during her latest royal outing. All the details!

Kate Middleton Steps Out in Green Suit on Visit to Textile Factory Linked to Great-Grandparents Can't get enough of PEOPLE's Royals coverage? Sign up for our free Royals newsletter to get the ...