And who can blame him, when his daughter is this cute?
The Danish royal gazed adoringly at little Princess Josephine, whose face lit up with an adorable smile.
The beautiful baby, along with her brother Prince Vincent, stole the show as their parents arrived at Skagen port aboard the Royal Yacht Dannebrog to begin a four-day summer tour of northern Denmark.
Crown Princess Mary – elegant in a deep purple dress and stylish hat – and her husband doted on their seven-month-old twins on deck before disembarking.
The little ones are swiftly becoming accustomed to public appearances, after featuring in the family's summer portrait at the start of the month.