COPENHAGEN, DENMARK - MARCH 17: Crown Princess Mary of Denmark, and Crown Prince Frederik of Denmark, at Copenhagen Airport to greet the arriving Dutch King & Queen at the start of a Dutch State visit to Denmark on March 17, 2015 in Copenhagen, Denmark. (Photo by Julian Parker/UK Press via Getty Images)
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UK Press Julian Parker

COPENHAGEN, DENMARK - MARCH 17: Crown Princess Mary of Denmark, ( handbag and shoe detail ) at Copenhagen Airport to greet the arriving Dutch King & Queen at the start of a Dutch State visit to Denmark on March 17, 2015 in Copenhagen, Denmark. (Photo by Julian Parker/UK Press via Getty Images)
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UK Press Julian Parker

COPENHAGEN, DENMARK - MARCH 17: Crown Princess Mary of Denmark curtsy's to Queen Maxima of the Netherlands, at Copenhagen Airport at the start of a Dutch State visit to Denmark on March 17, 2015 in Copenhagen, Denmark. (Photo by Julian Parker/UK Press via Getty Images)
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UK Press Julian Parker

COPENHAGEN, DENMARK - MARCH 17: Crown Princess Mary of Denmark greets Queen Maxima of the Netherlands, Queen Margarethe of Denmark ( left ) at Copenhagen Airport at the start of a Dutch State visit to Denmark on March 17, 2015 in Copenhagen, Denmark. (Photo by Julian Parker/UK Press via Getty Images)
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UK Press Julian Parker

COPENHAGEN, DENMARK - MARCH 17: Crown Princess Mary of Denmark greets King Willem Alexander of the Netherlands, at Copenhagen Airport at the start of a Dutch State visit to Denmark on March 17, 2015 in Copenhagen, Denmark. (Photo by Julian Parker/UK Press via Getty Images)
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UK Press Julian Parker