STOCKHOLM, SWEDEN - APRIL 30: Princess Estelle of Sweden is seen at the celebrations of the Swedish Armed Forces for the 70th birthday of King Carl Gustaf of Sweden on April 30, 2016 in Stockholm, . (Photo by Luca Teuchmann/WireImage)

STOCKHOLM, SWEDEN - APRIL 30:  Princess Estelle of Sweden is seen at the celebrations of the Swedish Armed Forces for the 70th birthday of King Carl Gustaf of Sweden on April 30, 2016 in Stockholm, .  (Photo by Luca Teuchmann/WireImage)