FREDENSBORG, DENMARK - APRIL 16:   (NORWAY OUT)  ( L to R ) King Harald of Norway, King Carl Gustaf of Sweden, Henri Grand Duke of Luxembourg, King Willem Alexander of the Netherlands, Queen Maxima of the Netherlands,  attend The traditional morning greeting at Fredensborg Palace, for Queen Margarethe II of Denmark on her 75th Birthday, on April 16, 2015 in Fredensborg, Denmark.(Photo by Julian Parker/UK Press via Getty Images)