#tbt: European Royals together for Queen Margrethe’s 70th Birthday, 2010

Queen Margrethe's 70th BirthdayQueen Maxima, King Willem-Alexander, Crown Princess Mette-Marit, Crown Prince Haakon, Crown Princess Victoria, Prince Daniel, Crown Princess Mary, and Crown Prince Frederik gather at Fredensborg Palace for the celebration for Queen Margrethe’s 70th birthday, April 16, 2010.