Prince William visited the new Warner Bros. Studio Tour experience just outside London with his wife, Kate Middleton, and his brother, Prince Harry. The threesome checked out the set of Harry Potter and props from past Batman films. Watch the video above to see where the Duchess of Cambridge got her cute—and affordable—polka dot dress.
Are you a Harry Potter fan? How about Batman? Tell us in the comment section below and tweet us @OKMagazine.