To smarten up the look, Queen Camilla opted for a classic shirt dress that has a collared neckline (which seems to be a favourite of Her Majesty’s, as the royal wore another shirt dress in the previous year at the RHS Chelsea Flower Show).

The colouring of the below-the-knee dress is blue, presumably to complement Queen Camilla’s blue eyes, with hints of green that are likely to pay homage to the traditional garden affair.

For eagled-eyes fans, they may notice that Queen Camilla is donning the…