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NAVARRA, SPAIN - JUNE 10: King Felipe VI of Spain and Queen Letizia of Spain attend the 'Principe de Viana 2015' award and Tribute to the Navarra Old Royals at the San Salvador de Leyre Monastery on June 10, 2015 in Navarra, Spain. (Photo by Carlos Alvarez/Getty Images)

NAVARRA, SPAIN - JUNE 10:  King Felipe VI of Spain and Queen Letizia of Spain attend the 'Principe de Viana 2015' award and Tribute to the Navarra Old Royals at the San Salvador de Leyre Monastery on June 10, 2015 in Navarra, Spain.  (Photo by Carlos Alvarez/Getty Images)