MADRID, SPAIN - MAY 26: King Felipe VI of Spain and Queen Letizia of Spain attend the Books Fair 2017 at the Retiro Park on May 26, 2017 in Madrid, Spain. (Photo by Carlos Alvarez/Getty Images)
MADRID, SPAIN - MAY 26: King Felipe VI of Spain and Queen Letizia of Spain attend the Books Fair 2017 at the Retiro Park on May 26, 2017 in Madrid, Spain. (Photo by Carlos Alvarez/Getty Images)