STIKLESTAD, NORWAY - JULY 24: Crown Prince Haakon of Norway and Crown Princess Mette-Marit of Norway attend The Saint Olav Festival on July 24, 2015 in Stiklestad, Norway. (Photo by Ragnar Singsaas/WireImage)
STIKLESTAD, NORWAY - JULY 24: Crown Prince Haakon of Norway and Crown Princess Mette-Marit of Norway attend The Saint Olav Festival on July 24, 2015 in Stiklestad, Norway. (Photo by Ragnar Singsaas/WireImage)