SEVILLE, SPAIN - FEBRUARY 15: Princess Letizia of Spain attends Rare Diseases International Congress on February 15, 2013 in Seville, Spain. (Photo by Europa Press/Europa Press via Getty Images)
SEVILLE, SPAIN - FEBRUARY 15: Princess Letizia of Spain attends Rare Diseases International Congress on February 15, 2013 in Seville, Spain. (Photo by Europa Press/Europa Press via Getty Images)