** ** Princess Theodora Of Greece, Attends A Gala Performance, At The Concert Hal Of The Danish Broadcasting Corporation, In Copenhagen To Mark The 40Th Jubilee Of Queen Margrethe Of Denmark'S Reign. (Photo by Julian Parker/Mark Cuthbert/UK Press via Getty Images)

** ** Princess Theodora Of Greece, Attends A Gala Performance, At The Concert Hal Of The Danish Broadcasting Corporation, In Copenhagen To Mark The 40Th Jubilee Of Queen Margrethe Of Denmark'S Reign. (Photo by Julian Parker/Mark Cuthbert/UK Press via Getty Images)