COPENHAGEN, DENMARK - JANUARY 25: Crown Prince Frederik and Crown Princess Mary of Denmark arrive to the Icelandic President's Return Arrangement at Nordatlantens Brygge on January 25, 2017 in Copenhagen, Denmark. The Icelandic President couple ends a two days State visit to Denmark and their Return Arrangement takes place following yesterdays January 24th State Banquet hosted by Queen Margrethe of Denmark at Amalienborg. (Photo by Ole Jensen - Corbis/Corbis via Getty Images)