TRONDHEIM, NORWAY - JUNE 21: Crown Prince Haakon of Norway and Princess Mette-Marit of Norway pose for a picture during the Starmus Festival on June 21, 2017 in Trondheim, Norway. (Photo by MICHAEL CAMPANELLA/WireImage)
TRONDHEIM, NORWAY - JUNE 21: Crown Prince Haakon of Norway and Princess Mette-Marit of Norway pose for a picture during the Starmus Festival on June 21, 2017 in Trondheim, Norway. (Photo by Michael Campanella/Getty Images)
