PARIS, FRANCE - OCTOBER 31: Queen Letizia of Spain delivers a speech during the World Cancer Congress in Paris on October 31, 2016. (Photo by Mustafa Yalcin/Anadolu Agency/Getty Images)
PARIS, FRANCE - OCTOBER 31: Queen Letizia of Spain delivers a speech during the World Cancer Congress in Paris on October 31, 2016. (Photo by Mustafa Yalcin/Anadolu Agency/Getty Images)