Japanese Empress Michiko is currently the only Empress in the world
美智子皇后陛下 as 皇太子継宮明仁親王妃美智子(つぐのみやあきひとしんのうひみちこ)殿下時代。Empress Michiko
Empress Michiko of Japan
Japanese Princess Kiko (L), wife of Emperor Akihito's second son Prince Akishino with Empress Michiko (R) as they leave a general meeting of the Japanese Red Cross Society in Tokyo
Japan's Emperor Akihito (L) and Empress Michiko, Tokyo's Haneda Airport May 16, 2012.
Empress Michiko, June 7, 2013 | The Royal Hats Blog
His Majesty the Emperor and Her Majesty the Empress.
Emperor Akihito & Empress Michiko
Empress Michiko, 2002
Empress Michiko, April 24, 2014 | The Royal Hats Blog