Britain's Prince of Wales (Photo by Peter Macdiarmid/Getty Images)
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Denmark's Crown Prince Frederik (Photo: Photo by Peter Macdiarmid/Getty Images)
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Monaco's Prince Albert (Photo: Mousse/ABACAPRESS.COM Photo via Newscom)
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Norway's Crown Prince Haakon (Photo via Newscom)



Prince Haakon, Princess Victoria of Sweden, Prince Frederik
(Photo via Newscom)