Queen Letizia of Spain attends the Rare Diseases Day official act at El Prado Museum on March 2, 2017 in Madrid, Spain. (Photo by Oscar Gonzalez/NurPhoto via Getty Images)
Queen Letizia of Spain attends the Rare Diseases Day official act at El Prado Museum on March 2, 2017 in Madrid, Spain. (Photo by Oscar Gonzalez/NurPhoto via Getty Images)