The London Mayor has mischievously hinted at an interest in being Prime Minister.
Boris Johnson pointed out to the conference that one French politician had managed to hold the office while still being mayor of Bordeaux.
And the Prime Minister did not seem to mind the idea of Mr Johnson returning to Westminster, as ITV News Deputy Political Editor Chris Ship reports:
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A chilly night with widespread frost and fog in some parts of the UK which will be slow to lift in the morning.
Uptown Funk, his collaboration with Bruno Mars, reached number one in the charts again this evening.
ITV News spoke to Nick Channing-Williams who described the freezing conditions on board the car ferry that caught fire earlier today.