The Lord Mayor's banquet is traditionally an opportunity for senior members of Government to open up discussion, avoid laying bare any gaping holes in Government policy and maybe discuss any draught(y) bills.

Well, as you can see, Cameron managed to achieve all of this without even opening his mouth.

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Going, going...

An unfortunate wardrobe malfunction caused a rumpus when he exposed his prime pecs to members of his cabinet and other guests.

Cameron's pristine pressed shirt upstaged the PM just before he made a speech emphasising the importance of Britain's banking sector.

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...gone

Let's hope he had a spare, tiresome as it would have been to change.

Eight puns, I need a lie down.

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The mishap was eventually pointed out to Cameron

It's almost as embarrassing as this double denim disaster...

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  • Cameron holiday

    Prime Minister David Cameron and his wife Samantha sit at a cafe in Majorca, Spain, while on holiday in the area.

  • Cameron holiday

    Prime Minister David Cameron and his wife Samantha sit at a cafe in Majorca, Spain, while on holiday in the area.

  • Cameron holiday

    Prime Minister David Cameron and his wife Samantha sit at a cafe in Majorca, Spain, while on holiday in the area.

  • Cameron holiday

    Prime Minister David Cameron and his wife Samantha sit at a cafe in Majorca, Spain, while on holiday in the area.

  • Cameron holiday

    Prime Minister David Cameron and his wife Samantha sit at a cafe in Majorca, Spain, while on holiday in the area.

  • Cameron holiday

    Prime Minister David Cameron and his wife Samantha sit at a cafe in Majorca, Spain, while on holiday in the area.

  • Cameron holiday

    Prime Minister David Cameron and his wife Samantha sit at a cafe in Majorca, Spain, while on holiday in the area.

  • Cameron holiday

    Prime Minister David Cameron and his wife Samantha sit at a cafe in Majorca, Spain, while on holiday in the area.

  • Cameron holiday

    Prime Minister David Cameron and his wife Samantha sit at a cafe in Majorca, Spain, while on holiday in the area.

  • Cameron holiday

    Prime Minister David Cameron and his wife Samantha sit at a cafe in Majorca, Spain, while on holiday in the area.

  • Cameron holiday

    Prime Minister David Cameron and his wife Samantha sit at a cafe in Majorca, Spain, while on holiday in the area.

  • British Prime Minister David Cameron Holidays In Spain

    MAJORCA, SPAIN - AUGUST 14: British Prime Minister David Cameron and his wife Samantha sit at a cafe on August 14, 2012 in Majorca, Spain. The Prime Minister and his family are enjoying a short holiday in Spain and will return to to London next week. Foreign Secretary William Hague is in charge of the Government while the Prime Minister is away. (Photo by Peter Byrne/WPA -Pool/Getty Images)