To pair with her icy blue look, Maxima wore the Stuart Tiara, which dates back to the 19th century, completed by the nearly 40-carat pear-shaped Stuart Diamond.

Maxima accented her sleek grey ensemble with some stand-out gems—spider-shaped brooches!— at an event supporting youth mental health.

Maxima was stunning in emerald green while meeting with the Colombian Minister of Finance and Public Credit Ricardo Bonilla during her visit to Columbia.

Maxima nailed the winter white look at More Art and Culture in School at the Poppodium De Spot in Middelburg.

The queen offset a monochrome grey outfit with a statement necklace while visiting the The Design Academy In Eindhoven.

Queen Maxima opted for a bold purple dress and matching hat, for the official welcome of the Dutch royals to South Africa.

Maxima looked lovely in orange and white at the Jacaranda Trees in Pretoria, South Africa.

For the royal family’s summer photos at Zuiderstrand, Queen Maxima opted for an elegant take on beachy whites—and perfectly coordinated with her pup, Mambo.

Maxima and her husband, King Willem-Alexander, attended a concert in Brussels, Belgium during their state visit. Maxima chose a creamy marigold gown to the evening, with a one-shoulder silhouette and a belted detail.

Queenly pastels were on display at a banquet at Laeken Castle in Brussels when the Dutch royals made a state visit. Queen Maxima went for an on-trend pink shade with ruffles, while Queen Mathilde of Belgium opted for icy blue.

Maxima looked properly glamorous in navy and gold for a gala for the Diplomatic Corps at the Royal Palace in Amsterdam.

Maxima made maximum impact with this aqua shirtdress at a presentation about higher education in Den Bosch, Netherlands.

Maxima wore a sunny yellow suit and matching coat to visit to the Wadden Islands.

A knack for color clearly runs in the royal family. For the Kingsday celebration in Rotterdam, Maxima chose a vivid green gress and matching headpiece, while her daughter Princess Amalia went for bold magenta. King Willem-Alexander and their daughter Princess Ariane, on the other hand, chose contrasting combos of bright blue and white.