King Frederik and Queen Mary are carrying out a four-day summer cruise of different Danish municipalities onboard the Royal Yacht Dannebrog, and Mary caught her husband off-guard with an unexpected question during one moment.

The pair posed for photographs as they walked across the coastal sand dunes of Råbjerg Mile, located between Skagen and Frederikshavn, on Monday.

As Frederik put his arm around his wife, Mary suddenly asked: "Shall we kiss?" with the impulsive question prompting laughter from the monarch, BILLED-BLADET reports.

While the royals did not proceed to kiss in front of the cameras, according to the newspaper Mary's impromptu remark helped to soften formalities. WATCH: Relive King Frederik and Queen Mary's accession day kiss

The Danish couple were dressed casu

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