Crown Prince Frederik And Crown Princess Mary Of Denmark Visit Germany [Getty Images]

MUNICH, GERMANY - MAY 21: Crown Prince Frederik (C) and Crown Princess Mary Of Denmark sign the Golden Book of Fraunhofer Institut next to Alexander Verl, Executive Vice President Technology Marketing and Business Models of Fraunhofer Institut, during their visit to Germany on May 21, 2015 in Munich, Germany. (Photo by Lennart Preiss/Getty Images)

Getty Images Entertainment Lennart Preiss