OLAND, SWEDEN - JULY 14: King Carl XVI Gustaf of Sweden; Queen Silvia of Swede attend a concert to celebrate the 38th birthday of Crown Princess Victoria of Sweden at Borgholmon July 14, 2015 in Oland, Sweden. (Photo by Luca Teuchmann/Getty Images)
OLAND, SWEDEN - JULY 14: King Carl XVI Gustaf of Sweden; Queen Silvia of Swede attend a concert to celebrate the 38th birthday of Crown Princess Victoria of Sweden at Borgholmon July 14, 2015 in Oland, Sweden. (Photo by Luca Teuchmann/Getty Images)