But with her sunny, generous personality Princess Maxima of the Netherlands looked perfectly at ease, sharing the limelight with Dutch cover girl Doutzen Kroes at a film premiere.
And, the vivacious royal more than held her own in the glamour stakes.
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Svelte in a one-shoulder black gown, her blonde tresses caught in a chignon, Maxima could have been mistaken for a silver screen heroine. The dazzling effect was completed by diamond drop earrings and bracelets.
Her prince, the heir to the country's throne, Willem-Alexander was smart in a tux.
Doutzen, meanwhile, was lovely in a strapless creation that finished in a full tulle skirt.
The two ladies had teamed up to promote the model's debut film.
Nova Zembla, the first Dutch 3D movie, tells the story of a16th-century expedition to the Arctic, with Doutzen as the girlfriend of one of the crew members, who must wait anxiously for news of her beloved.