One of these shirts is not like the others.

(Daily Mail) — It is the fear of every party guest, turning up in an outfit not suited to the dress code.

And unfortunately for Hillary Clinton, her slip up was witnessed by top government officials from across the globe.

Wearing a lime green shirt, the Secretary of State was placed in the middle of the foreign ministers – all dressed in crisp white shirts – for a G20 ‘family photo’ in Los Cabos, Mexico.