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MADRID, SPAIN - JUNE 16: Queen Letizia of Spain, shoes detail, attends the Bicentenary of the Council of the Greatness of Spain at the El Pardo Palace on June 16, 2015 in Madrid, Spain. (Photo by Carlos Alvarez/Getty Images)

MADRID, SPAIN - JUNE 16:  Queen Letizia of Spain, shoes detail, attends the Bicentenary of the Council of the Greatness of Spain at the El Pardo Palace on June 16, 2015 in Madrid, Spain.  (Photo by Carlos Alvarez/Getty Images)