More than 18,000 pounds worth of wine was guzzled in a single night by 170 wealthy guests and top politicians at a glitzy white-tie state banquet at Buckingham Palace for the US president.
The bar bill will infuriate hard-pressed families who now have to pay even more for a drink under Government plans to impose a Minimum Unit Price on alcohol.
Freedom of Information requests reveal how the Government raided its wine cellars for Obama's visit.
On arrival guests drank 22 bottles of a sparkling Ridgeview -Fitzrovia Cuvee Merret Rose 2004 and 32 bottles of Chablis Grand Cru Les Clos 2004 were also on offer, worth 32 pounds per bottle, the Daily Express reported.
Then 38 bottles of vintage red wine, worth 450 pounds each, were drunk as guests sat down to dinner in the palace's ballroom, accompanied by music from the Band of the Scots Guards during the 2011 trip.
Matthew Sinclair, chief executive of the Taxpayers' Alliance, said: "As ordinary families struggle to make ends meet, people will be outraged that they are footing the bill for this extravagance."
"The country cannot afford this kind of lavish expenditure and spending on similar events in -future must be brought under control," he said.
Prime Minister David Cameron attended the banquet, along with Deputy Prime Minister Nick Clegg and Chancellor George Osborne.
Labour leader Ed Miliband and his wife Justine, plus former premiers Tony Blair and Gordon Brown and London mayor Boris Johnson were also present.
Millionaires Sir Richard Branson, Barclays boss Bob Diamond and Sir Martin Sorrell were among City figures at the event, together with the then Archbishop of Canterbury, Dr Rowan Williams. (ANI)