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NAVARRA, SPAIN - JUNE 06: Prince Felipe of Spain and Princess Letizia of Spain attend the 'Principe de Viana' 2013 award at San Salvador de Leyre Monastery on June 6, 2013 in Navarra, Spain. (Photo by Carlos Alvarez/Getty Images)

NAVARRA, SPAIN - JUNE 06:  Prince Felipe of Spain and Princess Letizia of Spain attend the 'Principe de Viana' 2013 award at San Salvador de Leyre Monastery on June 6, 2013 in Navarra, Spain.  (Photo by Carlos Alvarez/Getty Images)