Kylie Minogue and Pippa Middleton in similar style London - Arabstoday After donning a pair of tiny gold hot pants in her 2000 video “Spinning Around” Kylie became known as the star with the best bottom. But last year a certain beautiful bridesmaid, Pippa Middleton, stole the singer\'s thunder at the Royal Wedding after images of her derriere were broadcast around the globe. Now, Kylie is challenging the Duchess of Cambridge’s younger sister Pippa Middleton to a sizzling battle of the bums at the Queen’s Diamond Jubilee. The 44-year-old singer, was speaking to chat show host Alan Carr when she threw down the gauntlet to Miss Middleton. When asked by Carr if she would compete against Pippa Kylie replied: “I\'m going to have to. I\'ll definitely have to pick something up off the ground.”