Members of Norway's Royal family : King Harald (R), Queen Sonja (L front), Crown Prince Haakon (at the very back), Crown Princess Mette-Marit, Prince Sverre Magnus, Princess Ingrid Alexandra and Princess Astrid (left back) arrive to the garden party for 1 500 guests in the Palace Park on September 1, 2016 in Oslo.   
 / AFP / NTB Scanpix / Fredrik VARFJELL / Norway OUT        (Photo credit should read FREDRIK VARFJELL/AFP/Getty Images)