(From L to R): Crown Princess Michiko, Prince Hiro Hito, Prince Aya (Fumihito d'Akishino), Queen Fabiola and King Baudouin of Belgium, Princess Nori and Crown Prince Akihito pose for the photocall, on December 06, 1987 in Tokyo at the reception in honor of Belgium royal couple's official visit to Japan. (Photo credit should read TOSHIFUMI KITAMURA/AFP/Getty Images)

(From L to R): Crown Princess Michiko, Prince Hiro Hito, Prince Aya (Fumihito d'Akishino), Queen Fabiola and King Baudouin of Belgium, Princess Nori and Crown Prince Akihito pose for the photocall, on December 06, 1987 in Tokyo at the reception in honor of Belgium royal couple's official visit to Japan. (Photo credit should read TOSHIFUMI KITAMURA/AFP/Getty Images)