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Crown Princess Victoria of Sweden (L), Prince Daniel of Sweden (R), Crown Prince Frederik of Denmark (2nd L) and Crown Princess Mary of Denmark (2nd R) pose as they attend the seminar Liveable Scandinavia in Stockholm, Sweden, on May 29, 2017. / AFP PHOTO / TT News Agency / Claudio BRESCIANI / Sweden OUT (Photo credit should read CLAUDIO BRESCIANI/AFP/Getty Images)

Crown Princess Victoria of Sweden (L), Prince Daniel of Sweden (R), Crown Prince Frederik of Denmark (2nd L) and Crown Princess Mary of Denmark (2nd R) pose as they attend the seminar Liveable Scandinavia in Stockholm, Sweden, on May 29, 2017. / AFP PHOTO / TT News Agency / Claudio BRESCIANI / Sweden OUT        (Photo credit should read CLAUDIO BRESCIANI/AFP/Getty Images)

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STOCKHOLM, STOCKHOLM - MAY 29: Crown Princess Mary of Denmark visiting the Designloungeon May 29, 2017 in Stockholm, Sweden. (Photo by Michael Campanella/Getty Images)

STOCKHOLM, STOCKHOLM - MAY 29:  Crown Princess Mary of Denmark visiting the Designloungeon May 29, 2017 in Stockholm, Sweden.  (Photo by Michael Campanella/Getty Images)

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STOCKHOLM, SWEDEN - MAY 29: Princess Victoria of Sweden and Prince Daniel of Sweden attend an official dinner at Eric Ericssonhallen on May 29, 2017 in Stockholm, Sweden. (Photo by Michael Campanella/Getty Images)

STOCKHOLM, SWEDEN - MAY 29: Princess Victoria of Sweden and Prince Daniel of Sweden attend an official dinner at Eric Ericssonhallen on May 29, 2017 in Stockholm, Sweden. (Photo by Michael Campanella/Getty Images)

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STOCKHOLM, SWEDEN - MAY 29: Prince Mary of Denmark, Princess Victoria of Sweden, Prince Frederik of Denmark, and Prince Daniel of Sweden attend an official dinner at Eric Ericssonhallen on May 29, 2017 in Stockholm, Sweden. (Photo by Michael Campanella/Getty Images)

STOCKHOLM, SWEDEN - MAY 29: Prince Mary of Denmark, Princess Victoria of Sweden, Prince Frederik of Denmark, and Prince Daniel of Sweden attend an official dinner at Eric Ericssonhallen on May 29, 2017 in Stockholm, Sweden. (Photo by Michael Campanella/Getty Images)

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STOCKHOLM, SWEDEN - MAY 29: Prince Mary of Denmark, Princess Victoria of Sweden, Prince Frederik of Denmark, and Prince Daniel of Sweden attend an official dinner at Eric Ericssonhallen on May 29, 2017 in Stockholm, Sweden. (Photo by Michael Campanella/Getty Images)

STOCKHOLM, SWEDEN - MAY 29: Prince Mary of Denmark, Princess Victoria of Sweden, Prince Frederik of Denmark, and Prince Daniel of Sweden attend an official dinner at Eric Ericssonhallen on May 29, 2017 in Stockholm, Sweden. (Photo by Michael Campanella/Getty Images)