Princess Diana at all times carried her purses on her left arm, regardless of the very fact she was truly right-handed.
In latest years different royals, reminiscent of Kate, Duchess of Cambridge, are sometimes seen carrying purses on the left as effectively.
Myka Meier defined in 2019 the the explanation why royals carry purses on their left-hand sides.
Alongside footage of Princess Diana carrying purses, Ms Meier wrote on Instagram: “Royal Etiquette Hack: When entering a room or event, handbags or briefcases are held in the LEFT hand so that your right hand stays open to meet, greet and shake hands! Prince Charles does this too!”