(L to R) Dutch Crown Princess Maxima and Crown Prince Willem-Alexander, Norway's Crown Princess Mette-Marit and Crown Prince Haakon, Sweden's Crown Princess Victoria and Daniel Westling and Danish Crown Princess Mary and Crown Prince Frederik pose in front of the Fredensborg Palace on April 16, 2010 to celebrate the Danish Queen Margrethe's 70th birthday. AFP PHOTO/SCANPIX/Jens Norgaard Larsen (Photo credit should read Jens Nørgaard Larsen/AFP/Getty Images)