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PAMPLONA, SPAIN - MAY 31: Prince Felipe of Spain and Princess Letizia of Spain attend 'Principe de Viana 2011' awards at Palacio de Baluarte on May 31, 2011 in Pamplona, Spain. (Photo by Carlos Alvarez/Getty Images)

PAMPLONA, SPAIN - MAY 31:  Prince Felipe of Spain and Princess Letizia of Spain attend 'Principe de Viana 2011' awards at Palacio de Baluarte on May 31, 2011 in Pamplona, Spain.  (Photo by Carlos Alvarez/Getty Images)