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