Share Tweet Pin Email By Katherine Tinsley 2:28pm PST, Jan 19, 2026 _ Prince Philip gave Prince Harry a stern warning after his 2018 wedding.Keep reading for the details...MORE: Follow Wonderwall on MSN for more top news _ Prince Harry became the Duke of Sussex when he married Meghan Markle, but he was also granted several honorary titles. After receiving his dukedom, Harry was named the Captain General of the Royal Marines, a role once held by Prince Philip. "Don't f*** it up," Philip warned his grandson, per Daily Express. _ Years later, Prince Harry praised Prince Philip's blunt demeanor.