VIDEO : Harry Styles Meets Prince Harry On 'Dunkirk' Red Carpet

LONDON (Reuters) - Two Harrys -- one pop and the other British royalty -- proved the biggest hits on the red carpet at the world premiere of director Christopher Nolan's new film, "Dunkirk". The World War Two epic is the movie acting debut for One Direction star Harry Styles, who was joined by Prince Harry on Thursday night in London to see Nolan's highly anticipated film.