Reason Queen wears same outfit twice in a month - and it's a royal custom

The Queen's choice of clothes is thought to be a nod to centuries-old customs of mourning in the monarchy (Image: Getty Images)

The Queen has made the rare move of wearing the same outfit twice this month as a subtle way of mourning her late husband Prince Philip, according to experts.

Monarchs are traditionally limited to dressing in the same clothes no more than twice - but Her Majesty has been seen in the same lilac coat three times.