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MADRID, SPAIN - APRIL 19: (L-R) Ana Soler, King Felipe VI of Spain, Spanish author Eduardo Mendoza and Queen Letizia of Spain attend an official lunch for 'Miguel de Cervantes 2016' Literature award at the Royal Palace on April 19, 2017 in Madrid, Spain. (Photo Jose Luis Cuesta - by Pool/Getty Images)

MADRID, SPAIN - APRIL 19:  (L-R) Ana Soler, King Felipe VI of Spain, Spanish author Eduardo Mendoza and Queen Letizia of Spain attend an official lunch for 'Miguel de Cervantes 2016' Literature award at the Royal Palace on April 19, 2017 in Madrid, Spain.  (Photo Jose Luis Cuesta - by Pool/Getty Images)

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MADRID, SPAIN - APRIL 19: Queen Letizia of Spain attends an official lunch for 'Miguel de Cervantes 2016' Literature award at the Royal Palace on April 19, 2017 in Madrid, Spain. (Photo by Jose Luis Cuesta - Pool/Getty Images)

MADRID, SPAIN - APRIL 19:  Queen Letizia of Spain attends an official lunch for 'Miguel de Cervantes 2016' Literature award at the Royal Palace on April 19, 2017 in Madrid, Spain.  (Photo by Jose Luis Cuesta - Pool/Getty Images)

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MADRID, SPAIN - APRIL 19: Queen Letizia of Spain attends an official lunch for 'Miguel de Cervantes 2016' Literature award at the Royal Palace on April 19, 2017 in Madrid, Spain. (Photo by Jose Luis Cuesta - Pool/Getty Images)

MADRID, SPAIN - APRIL 19:  Queen Letizia of Spain attends an official lunch for 'Miguel de Cervantes 2016' Literature award at the Royal Palace on April 19, 2017 in Madrid, Spain.  (Photo by Jose Luis Cuesta - Pool/Getty Images)

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MADRID, SPAIN - APRIL 19: King Felipe VI of Spain and Queen Letizia of Spain attend an official lunch for 'Miguel de Cervantes 2016' Literature award at the Royal Palace on April 19, 2017 in Madrid, Spain. (Photo by Jose Luis Cuesta - Pool/Getty Images)

MADRID, SPAIN - APRIL 19:  King Felipe VI of Spain and Queen Letizia of Spain  attend an official lunch for 'Miguel de Cervantes 2016' Literature award at the Royal Palace on April 19, 2017 in Madrid, Spain.  (Photo by Jose Luis Cuesta - Pool/Getty Images)

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MADRID, SPAIN - APRIL 19: King Felipe VI of Spain (2L) and Queen Letizia of Spain (L) attend an official lunch for 'Miguel de Cervantes 2016' Literature award at the Royal Palace on April 19, 2017 in Madrid, Spain. (Photo by Jose Luis Cuesta - Pool/Getty Images)

MADRID, SPAIN - APRIL 19:  King Felipe VI of Spain (2L) and Queen Letizia of Spain (L) attend an official lunch for 'Miguel de Cervantes 2016' Literature award at the Royal Palace on April 19, 2017 in Madrid, Spain.  (Photo by Jose Luis Cuesta - Pool/Getty Images)