Once convinced, the Norwegian royals planned to put on all the pomp and circumstance of a traditional royal wedding. A close friend of King Olav, and the widow of his cousin, Princess Marina, passed away, sending shockwaves around the guests as they gathered at the royal palace. Read More Behind-the-scenes of Downton Abbey: The Grand Finale: rediscover the unmissable interview with star Elizabeth McGovern as the period drama arrives on the small screen It’s Britain’s favourite period drama, and she’s the American star at the very heart of it.