COPENHAGEN, DENMARK - JUNE 5: Crown Princess Mary of Denmark at Christiansborg Palace on the occasion of The 100th Anniversary of The 1915 Danish Constitution, on June 5th, 2015 in Copenhagen, Denmark (Photo by Julian Parker/UK Press via Getty Images)
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UK Press Julian Parker

COPENHAGEN, DENMARK - JUNE 5: Queen Margrethe of Denmark and Crown Princess Mary of Denmark greet at Christiansborg Palace on the occasion of The 100th Anniversary Of The 1915 Constitution on June 5th, 2015 in Copenhagen, Denmark (Photo by Julian Parker/UK Press via Getty Images)
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UK Press Julian Parker

COPENHAGEN, DENMARK - JUNE 5: Crown Princess Mary of Denmark at Christiansborg Palace on the occasion of The 100th Anniversary of The 1915 Danish Constitution, on June 5th, 2015 in Copenhagen, Denmark (Photo by Julian Parker/UK Press via Getty Images)
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UK Press Julian Parker

COPENHAGEN, DENMARK - JUNE 5: Crown Princess Mary of Denmark at Christiansborg Palace on the occasion of The 100th Anniversary of The 1915 Danish Constitution, on June 5th, 2015 in Copenhagen, Denmark (Photo by Julian Parker/UK Press via Getty Images)
Getty Images

UK Press Julian Parker

COPENHAGEN, DENMARK - JUNE 5: Crown Princess Mary of Denmark at Christiansborg Palace on the occasion of The 100th Anniversary of The 1915 Danish Constitution, on June 5th, 2015 in Copenhagen, Denmark (Photo by Julian Parker/UK Press via Getty Images)
Getty Images

UK Press Julian Parker