Kate Middleton and the Queen both wore tiaras for a state banquet with the Trumps. Here’s why only some members of the royal family are allowed to wear them

It’s easy to assume that tiaras and crowns are reserved for royalty, but there are even rules surrounding which members of the royal family are allowed to wear one — and when and where they’re allowed to wear it. Kate Middleton and the Queen both wore tiaras for a state […]