NETHERLANDS - FEBRUARY 15: Official portrait of Princess Christina will celebrate her 20th anniversary on February 15, 1967 in the Netherlands. (Photo by Keystone-France/Gamma-Keystine via Getty Images)
NETHERLANDS - FEBRUARY 15: Official portrait of Princess Christina will celebrate her 20th anniversary on February 15, 1967 in the Netherlands. (Photo by Keystone-France/Gamma-Keystine via Getty Images)