It all began in 1952 when then-Princess Elizabeth was caught without a black outfit when the circumstances called for one.

The Danish princess marked her milestone 18th birthday while wearing a favorite piece from her mom’s jewelry box.

Princess Isabella of Denmark borrowed her mother Queen Mary's diamond fringe earrings for a performance in celebration of her ...

Princess Isabella and Queen Mary of Denmark dazzled at a glitzy concert celebrating Isabella 18th birthday at the Royal ...

Birthday girl Princess Isabella was the belle of the ball in a glittering navy tulle gown with silver embroidery on the back.