close Video Prince William’s romantic move for Kate Middleton revealed by royal butler Grant Harrold, who served King Charles III, discussed how the heir to the British throne won over the Princess of Wales in his book, "The Royal Butler: My Remarkable Life in Royal Service." NEWYou can now listen to Fox News articles! Kate Middleton played piano with her daughter Princess Charlotte in a sweet mother-daughter duet. The surprise moment aired on her Christmas Eve "Together at Christmas" carol service as the opening segment. In the clip, the Princess of Wales sat beside her daughter for a rendition of "Holm Sound," by Erland Cooper.
