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Princess Lalla Salma Of Morocco Attends A Banquet For Foreign Monarchs & Royal Guests At The Chakri Maha Prasat Throne Hall, Hosted By Thai King Bhumibol Adulyadej, During The Celebrations To Mark The 60Th Anniversary Of His Accession To The Throne. . (Photo by Julian Parker/UK Press via Getty Images)

Princess Lalla Salma Of Morocco Attends A Banquet For Foreign Monarchs & Royal Guests At The Chakri Maha Prasat Throne Hall, Hosted By Thai King Bhumibol Adulyadej, During The Celebrations To Mark The 60Th Anniversary Of His Accession To The Throne. . (Photo by Julian Parker/UK Press via Getty Images)

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Prince Albert Of Monaco Attends A Banquet For Foreign Monarchs & Royal Guests At The Chakri Maha Prasat Throne Hall, Hosted By Thai King Bhumibol Adulyadej, During The Celebrations To Mark The 60Th Anniversary Of His Accession To The Throne. (Photo by Julian Parker/UK Press via Getty Images)

Prince Albert Of Monaco Attends A Banquet For Foreign Monarchs & Royal Guests At The Chakri Maha Prasat Throne Hall, Hosted By Thai King Bhumibol Adulyadej, During The Celebrations To Mark The 60Th Anniversary Of His Accession To The Throne. (Photo by Julian Parker/UK Press via Getty Images)

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Crown Prince Willem-Alexander & Crown Princess Maxima Of Holland Attend A Banquet For Foreign Monarchs & Royal Guests At The Chakri Maha Prasat Throne Hall, Hosted By Thai King Bhumibol Adulyadej, During The Celebrations To Mark The 60Th Anniversary Of His Accession To The Throne. . (Photo by POOL - Julian Parker/UK Press via Getty Images)

Crown Prince Willem-Alexander & Crown Princess Maxima Of Holland Attend A Banquet For Foreign Monarchs & Royal Guests At The Chakri Maha Prasat Throne Hall, Hosted By Thai King Bhumibol Adulyadej, During The Celebrations To Mark The 60Th Anniversary Of His Accession To The Throne. . (Photo by POOL - Julian Parker/UK Press via Getty Images)

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Queen Sofia Of Spain Attends A Banquet For Foreign Monarchs & Royal Guests At The Chakri Maha Prasat Throne Hall, Hosted By Thai King Bhumibol Adulyadej, During The Celebrations To Mark The 60Th Anniversary Of His Accession To The Throne. . (Photo by Julian Parker/UK Press via Getty Images)

Queen Sofia Of Spain Attends A Banquet For Foreign Monarchs & Royal Guests At The Chakri Maha Prasat Throne Hall, Hosted By Thai King Bhumibol Adulyadej, During The Celebrations To Mark The 60Th Anniversary Of His Accession To The Throne. . (Photo by Julian Parker/UK Press via Getty Images)

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Princess Lalla Salma Of Morocco & Queen Sofia Of Spain Attend The Royal Barge Procession At The Royal Navy Club During The Celebrations To Mark The 60Th Anniversary Of Thai King Bhumibol Adulyadej'S Accession To The Throne. . (Photo by Julian Parker/UK Press via Getty Images)

Princess Lalla Salma Of Morocco & Queen Sofia Of Spain Attend The Royal Barge Procession At The Royal Navy Club During The Celebrations To Mark The 60Th Anniversary Of Thai King Bhumibol Adulyadej'S Accession To The Throne. . (Photo by Julian Parker/UK Press via Getty Images)