Despite rumours the couple is dealing with marital struggles, the royals were all smiles when welcomed by King Carl XVI Gustaf and Queen Silvia in Stockholm on Monday.
Queen Mary and King Frederik of Denmark were greeted with cheers from royal fans and a welcome from the local mayor yesterday when they travelled to Fredensborg Palace.
Both were middle-class commoners when they married into their respective royal families.
So, perhaps comparisons between Queen Mary and our own Princess of Wales were inevitable.
Following the succession of the throne in January, the Danish royal household has released the first official gala portrait of Frederik, 55, and Mary, 52, which will hang on the walls of staterooms.