STOCKHOLM, SWEDEN - APRIL 30: Princess Estelle of Sweden, Prince Daniel of Sweden holding Prince Oscar of Sweden and Queen Silvia of Sweden watch the celebrations of King Carl Gustav's 71st birthday from a balcony at the Royal Palace on April 30, 2017 in Stockholm, Sweden. (Photo by Michael Campanella/Getty Images)
STOCKHOLM, SWEDEN - APRIL 30: Princess Estelle of Sweden, Crown Princess Victoria of Sweden and Queen Silvia of Sweden during a celebration of King Carl Gustav's 71st birthday at the Royal Palace on April 30, 2017 in Stockholm, Sweden. (Photo by Michael Campanella/Getty Images)
STOCKHOLM, SWEDEN - APRIL 30: Queen Silvia, Crown Princess Victoria of Sweden, Prince Daniel Princess Estelle, Prince Oscar and Princess Sofia attend the birthday celebrations of the King at the Royal Palace on April 30, 2017 in Stockholm, Sweden. (Photo by Patrick van Katwijk/Getty Images)
STOCKHOLM, SWEDEN - APRIL 30: Princess Sofia of Sweden and Queen Silvia of Sweden watch the celebrations of King Carl Gustav's 71st birthday from a balcony at the Royal Palace on April 30, 2017 in Stockholm, Sweden. (Photo by Michael Campanella/Getty Images)
STOCKHOLM, SWEDEN - APRIL 30: Queen Silvia, Crown Princess Victoria of Sweden, Prince Daniel Princess Estelle, Prince Oscar and Princess Sofia attend the birthday celebrations of the King at the Royal Palace on April 30, 2017 in Stockholm, Sweden. (Photo by Patrick van Katwijk/Getty Images)
