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(From L) Princess Astrid of Belgium, Prince Amedeo and Prince Lorenz of Belgium attend Princess Astrid's farewell reception as special representative for the UN Roll Back Malaria (RBM) partnership in Brussels on December 14, 2015. / AFP / BELGA / LAURIE DIEFFEMBACQ (Photo credit should read LAURIE DIEFFEMBACQ/AFP/Getty Images)

(From L) Princess Astrid of Belgium, Prince Amedeo and Prince Lorenz of Belgium attend Princess Astrid's farewell reception as special representative for the UN Roll Back Malaria (RBM) partnership in Brussels on December 14, 2015.
 / AFP / BELGA / LAURIE DIEFFEMBACQ        (Photo credit should read LAURIE DIEFFEMBACQ/AFP/Getty Images)