Did anyone else catch Princess Kate and Princess Charlotte’s piano duet at the Christmas Carol Concert? The real twist: even the composer, Erland Cooper, had no idea they’d perform his song! He called it a total surprise and said Charlotte played like a pro. Some fans are now debating if Charlotte is the next royal music prodigy or if this was just a sweet family moment. Thoughts on this royal plot twist? #Entertainment #Music #PrincessKate