This handout picture taken on December 4, 2018 and provided by the Imperial Household Agency of Japan on December 7, 2018 shows Japan's Crown Princess Masako, wife of Crown Prince Naruhito, posing for a photograph with her pet dog Yuri at Togu Palace in Tokyo. Crown princess Masako celebrated her 55th birthday on December 9, 2018. AFP PHOTO / the Imperial Household Agency of Japan / Handout ---EDITORS NOTE---  RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT 'AFP PHOTO / IMPERIAL HOUSEHOLD AGENCY OF JAPAN' - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS (Photo by Douglas CURRAN and HANDOUT / the Imperial Household Agency of / AFP)        (Photo credit should read DOUGLAS CURRAN,HANDOUT/AFP/Getty Images)