2011: A Royal Wedding In a storybook ceremony, the prince and his bride said "I do" at Westminster Abbey on April 29. Catherine, now the Duchess of Cambridge, wore a custom Alexander McQueen gown. (At 29, she's the oldest royal bride in English history.) Afterward, she and Prince William, Duke of Cambridge, kissed on the balcony of the palace. Later, they honeymooned on a private island in the Seychelles.