Continuing to wear royal blue as she did earlier in the day ... She further accessorized with the Belgian Sapphire Tiara's coordinating necklace and bracelet. While Camilla opted not to wear ...

Queen Máxima of the Netherlands was sparkling in sapphires as she and King Willem-Alexander attended a glittering gala dinner ...

and Queen Máxima chose the stunning Dutch sapphire necklace tiara for the occasion. The Dutch king and queen with the president and first lady of Kenya. The tiara was last worn by her daughter ...

Blue was the color of the night ... continued color-coordinating for the party in Denmark and matched her sapphire tiara to her cerulean cape dress. Despite its name, the Sapphire Necklace ...

And last October, the princess looked stunning in a cobalt blue gown and Queen Emma of the Netherlands' sapphire tiara for Crown Prince Christian of Denmark's 18 th birthday dinner.