King and Queen Of Norway Celebrate Their 80th Birthdays - Banquet At The Opera House - Day 2 [Getty Images]

OSLO, NORWAY - MAY 10: Prince Daniel and Princess Victoria of Sweden are seen arriving at the Opera House on the occasion of the celebration of King Harald and Queen Sonja of Norway 80th birthdays on May 10, 2017 in Oslo, Norway. (Photo by Rune Hellestad - Corbis/Corbis via Getty Images)

Corbis Entertainment Rune Hellestad - Corbis