RM2D4B603Denmark's Crown Prince Frederick and his wife Crown Princess Mary stand in front of a Joan Miro wall mural painting as they tour New York's Museum of Modern Art, January 31, 2005. REUTERS/Mike Segar MS
RM2D40NCBDenmark's Crown Prince Frederick and his wife Crown Princess Mary stand in front of a Joan Miro wall mural painting as they tour New York's Museum of Modern Art, January 31, 2005. REUTERS/Mike Segar MS
RM2D3CWRWDenmark's Crown Prince Frederick (R) and his wife Crown Princess Mary walk past a Joan Miro wall mural painting as they tour New York's Museum of Modern Art with the Museum's Executive Director Glenn Lowry (L) January 31, 2005. REUTERS/Mike Segar MS
RM2D44BXFDenmark's Crown Prince Frederick (R) and his wife Crown Princess Mary (2nd L) walk past a Joan Miro's wall mural painting as they tour New York's Museum of Modern Art with the Museum's Executive Director Glenn Lowry (L) January 31, 2005. REUTERS/Mike Segar MS
RM2D0HDR7Denmark's Crown Princess Mary shakes hands with identical twins as she arrives at the Sydney Children's Hospital October 26, 2013. Denmark's Crown Prince Frederick and his wife Crown Princess Mary are on a five-day official visit to Australia. REUTERS/William West/Pool (AUSTRALIA - Tags: ENTERTAINMENT SOCIETY PROFILE ROYALS)
RM2CY480BDenmark's Crown Princess Mary shakes receives flowers from identical twins Lillian (L) and Charlotte Harding as she arrives at the Sydney Children's Hospital October 26, 2013. Denmark's Crown Prince Frederick and his wife Crown Princess Mary are on a five-day official visit to Australia. REUTERS/POOL/William West (AUSTRALIA - Tags: ENTERTAINMENT SOCIETY PROFILE ROYALS)
RM2D09HBKDenmark's Crown Princess Mary receives a flower from a girl as she greets residents and volunteer firefighters in the Blue Mountains suburb of Winmalee, about 80 km (50 miles) west of Sydney October 27, 2013. Denmark's Crown Prince Frederick and his wife Crown Princess Mary are on a five-day official visit to Australia. REUTERS/Rob Griffith/Pool (AUSTRALIA - Tags: SOCIETY ENTERTAINMENT ROYALS)
RM2CWK4TDDenmark's Crown Princess Mary looks at one of the more than 200 homes that were destroyed by a recent bushfire in the Blue Mountains suburb of Winmalee, about 80 km (50 miles) west of Sydney October 27, 2013. Denmark's Crown Prince Frederick and his wife Crown Princess Mary visited the bushfire affected area during their official five-day visit to Australia. REUTERS/Rob Griffith/Pool (AUSTRALIA - Tags: SOCIETY ENTERTAINMENT ROYALS)
RM2D3HY7HDenmark's Crown Prince Frederick and his wife Crown Princess Mary stand in front of a Joan Miro wall mural painting as they tour New York's Museum of Modern Art, January 31, 2005.
RM2CY79PTDenmark's Crown Princess Mary (L) and her husband Crown Prince Frederick talk with New South Wales Rural Fire Service Commissioner Shane Fitzsimmons as they look at some of the more than 200 homes that were destroyed by a recent bushfire in the Blue Mountains suburb of Winmalee, about 80 km (50 miles) west of Sydney October 27, 2013. The royal couple visited the bushfire affected area during their official five-day visit to Australia. REUTERS/Rob Griffith/Pool (AUSTRALIA - Tags: SOCIETY ENTERTAINMENT ROYALS)
RM2CXMDX1Denmark's Crown Prince Frederick and his wife Princess Mary arrive to the Birrarung Marr park next to Federation Square in Melbourne November 24, 2011. Princess Mary and Prince Frederik are in Australia for an eight-day official visit. REUTERS/Mal Fairclough (AUSTRALIA - Tags: POLITICS ROYALS ENTERTAINMENT)
RM2D3DY0GDenmark's Crown Prince Frederik speaks to an audience gathered at the New York city library, February 1, 2005. The Danish Prince and his wife are in the United States to commemorate the Hans Christian Andersen bicentenary. A portrait of the Danish author hangs behind Prince Frederick. REUTERS/Jeff Christensen JC