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.
Kygo will be hitting the UK in December this year with two spectacularly large shows, including one a London s O2 Arena. Tickets for the dance maestro s massive world tour will be released later this week, with some presales kicking off before then. Here s everything you need to know.