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STOCKHOLM, SWEDEN - JUNE 06: Queen Silvia of Sweden during the national day celebrations at Skansen on June 6, 2017 in Stockholm, Sweden. (Photo by MICHAEL CAMPANELLA/WireImage)

STOCKHOLM, SWEDEN - JUNE 06: Queen Silvia of Sweden during the national day celebrations at Skansen on June 6, 2017 in Stockholm, Sweden. (Photo by MICHAEL CAMPANELLA/WireImage)

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STOCKHOLM, SWEDEN - JUNE 06: Queen Silvia of Sweden during the national day celebrations at Skansen on June 6, 2017 in Stockholm, Sweden. (Photo by MICHAEL CAMPANELLA/WireImage)

STOCKHOLM, SWEDEN - JUNE 06: Queen Silvia of Sweden during the national day celebrations at Skansen on June 6, 2017 in Stockholm, Sweden. (Photo by MICHAEL CAMPANELLA/WireImage)

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STOCKHOLM, SWEDEN - JUNE 6: King Carl XVI Gustaf and Queen Silvia of Sweden arrive at a ceremony celebrating Sweden's national day at Skansen on June 6, 2015 in Stockholm, Sweden. (Photo by Michael Campanella/Getty Images)

STOCKHOLM, SWEDEN - JUNE 6: King Carl XVI Gustaf and Queen Silvia of Sweden arrive at a ceremony celebrating Sweden's national day at Skansen on June 6, 2015 in Stockholm, Sweden. (Photo by Michael Campanella/Getty Images)

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STOCKHOLM, SWEDEN - JUNE 06: Queen Silvia and King Carl XVI Gustaf of Sweden during the national day celebrations at Skansen on June 6, 2017 in Stockholm, Sweden. (Photo by Michael Campanella/Getty Images)

STOCKHOLM, SWEDEN - JUNE 06: Queen Silvia and King Carl XVI Gustaf of Sweden during the national day celebrations at Skansen on June 6, 2017 in Stockholm, Sweden. (Photo by Michael Campanella/Getty Images)

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STOCKHOLM, SWEDEN - JUNE 06: Princess Victoria of Sweden during the national day celebrations at Skansen on June 6, 2017 in Stockholm, Sweden. (Photo by Michael Campanella/Getty Images)

STOCKHOLM, SWEDEN - JUNE 06: Princess Victoria of Sweden during the national day celebrations at Skansen on June 6, 2017 in Stockholm, Sweden. (Photo by Michael Campanella/Getty Images)