Crown Prince Frederik And Princess Mary In Haderslev At The Start Of A 3 Day Summer Cruise On The Royal Yacht Dannebrog. (Photo by Mark Cuthbert/UK Press via Getty Images)
Crown Prince Frederik And Princess Mary In Haderslev At The Start Of A 3 Day Summer Cruise On The Royal Yacht Dannebrog. They Arrived At Haderslev Harbour Aboard The Royal Yacht. (Photo by Mark Cuthbert/UK Press via Getty Images)
Crown Prince Frederik And Princess Mary In Haderslev At The Start Of A 3 Day Summer Cruise On The Royal Yacht Dannebrog. (Photo by Mark Cuthbert/UK Press via Getty Images)
Crown Prince Frederik And Princess Mary In Haderslev At The Start Of A 3 Day Summer Cruise On The Royal Yacht Dannebrog. (Photo by Mark Cuthbert/UK Press via Getty Images)
Crown Prince Frederik And Princess Mary In Haderslev At The Start Of A 3 Day Summer Cruise On The Royal Yacht Dannebrog. (Photo by Mark Cuthbert/UK Press via Getty Images)