STOCKHOLM, SWEDEN - JUNE 13: Prince Carl Philip of Sweden places one hand on the crown as he chats with his sister, Crown Princess Victoria of Sweden, after his marriage ceremony to Princess Sofia, at The Royal Palace on June 13, 2015 in Stockholm, Sweden. In 1980, Sweden became the first monarchy to change its succession rites so that the first-born child of the monarch is heir to the throne, regardless of gender. (Photo by Andreas Rentz/Getty Images)
