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King Felipe of Spain, Queen Letizia of Spain, Princess Leonor and Princess Sofia attend the opening ceremony of 12th legislative session at the Spanish Parliament on November 17, 2016 in Madrid, Spain. (Photo by Oscar Gonzalez/NurPhoto via Getty Images)

King Felipe of Spain, Queen Letizia of Spain, Princess Leonor and Princess Sofia attend the opening ceremony of 12th legislative session at the Spanish Parliament on November 17, 2016 in Madrid, Spain. (Photo by Oscar Gonzalez/NurPhoto via Getty Images)