Crown Prince Frederik of Denmark (L) and Queen Mathilde of Belgium talk during a welcoming ceremony at Copenhagen Airport on March 28, 2017. The Belgian Royals pay a two days state visit in Denmark. / AFP PHOTO / Scanpix Denmark / Martin Sylvest / Denmark OUT (Photo credit should read MARTIN SYLVEST/AFP/Getty Images)

Crown Prince Frederik of Denmark (L) and Queen Mathilde of Belgium talk during a welcoming ceremony at Copenhagen Airport on March 28, 2017.
The Belgian Royals pay a two days state visit in Denmark.  / AFP PHOTO / Scanpix Denmark / Martin Sylvest / Denmark OUT        (Photo credit should read MARTIN SYLVEST/AFP/Getty Images)

Their royal highnesses Crownprincess Mary of Denmark (C) and Queen Mathilde of Belgium (R) visit the UN city in Copenhagen, Denmark, on March 29, 2017. / AFP PHOTO / Scanpix Denmark / Ida Guldbaek Arentsen / Denmark OUT (Photo credit should read IDA GULDBAEK ARENTSEN/AFP/Getty Images)

Their royal highnesses Crownprincess Mary of Denmark (C) and Queen Mathilde of Belgium (R) visit the UN city in Copenhagen, Denmark, on March 29, 2017. / AFP PHOTO / Scanpix Denmark / Ida Guldbaek Arentsen / Denmark OUT        (Photo credit should read IDA GULDBAEK ARENTSEN/AFP/Getty Images)