STOCKHOLM, SWEDEN - APRIL 30: King Juan Carlos of Spain and Queen Sofia of Spain arrive at the Royal Palace to attend Te Deum Thanksgiving Service to celebrate the 70th birthday of King Carl Gustaf of Sweden on April 30, 2016 in Stockholm, Sweden. (Photo by Samir Hussein/WireImage)
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WireImage Samir Hussein

STOCKHOLM, SWEDEN- APRIL 30: King Juan Carlos and Queen Sofia of Spain attend a Lunch at City Hall Stockholm, on the occasion of King Carl Gustaf of Sweden's 70th Birthday, on April 30, 2016, in Stockholm, Sweden.(Photo by Julian Parker/UK Press via Getty Images)
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UK Press Julian Parker

STOCKHOLM, SWEDEN- APRIL 30: King Juan Carlos, and Queen Sofia of Spain arrive for the Te Deum Thanksgiving Service, at The Royal Palace, Stockholm, on the occasion of King Carl Gustaf of Sweden's 70th Birthday,on April 30, 2016, in Stockholm, Sweden.(Photo by Julian Parker/UK Press via Getty Images)
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UK Press Julian Parker