AARHUS, DENMARK - APRIL 16: Crown Princess Mary, Prince Christian and Princess Josephine attend the 77th birthday celebrations of Danish Queen Margrethe at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark. (Photo by Patrick van Katwijk/Getty Images)
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AARHUS, DENMARK - APRIL 16: Crown Princess Mary and Prince Vincent of Denmark attend the 77th birthday celebrations of Danish Queen Margrethe at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark. (Photo by Patrick van Katwijk/Getty Images)
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AARHUS, DENMARK - APRIL 16: Crown Prince Frederik, Crown Princess Mary, Prince Christian Princess Josephine of Denmark attend the 77th birthday celebrations of Danish Queen Margrethe at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark. (Photo by Patrick van Katwijk/Getty Images)
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AARHUS, DENMARK - APRIL 16: Crown Princess Mary, Princess Isabella and Prince Vincent of Denmark attend the 77th birthday celebrations of Danish Queen Margrethe at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark. (Photo by Patrick van Katwijk/Getty Images)
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AARHUS, DENMARK - APRIL 16: Crown prince Frederik, Crown Princess Mary, Prince Christian, Princess Isabella and Prince Vincent of Denmark attend the 77th birthday celebrations of Danish Queen Margrethe at Marselisborg Palace on April 16, 2017 in Aarhus, Denmark. (Photo by Patrick van Katwijk/Getty Images)
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