Donald Trump has not donned one. Emmanuel Macron boasted a small French flag on his. Slovakia's president made a fashion statement by sporting a fuchsia-coloured one to match her outfit.
As the world starts emerging from coronavirus lockdowns, political leaders are being closely scrutinised over their choice to wear a mask - or not - as many people question seemingly mixed messages about the value of face coverings as infection barriers.
Many Western governments counselled against face masks for the general public at the start of the outbreak, which has now claimed more than a quarter of a million lives worldwide.