ABU DHABI, UNITED ARAB EMIRATES - JANUARY 18: Princess Letizia of Spain and Prince Felipe of Spain attend the 'World Future Energy Summit' on January 18, 2010 in Abu Dhabi, United Arab Emirates. (Photo by Haider Yousuf/Getty Images)
ABU DHABI, UNITED ARAB EMIRATES - JANUARY 18: Princess Letizia of Spain and Prince Felipe of Spain attend the 'World Future Energy Summit' on January 18, 2010 in Abu Dhabi, United Arab Emirates. (Photo by Haider Yousuf/Getty Images)