She told the panel the money should be spent on dealing with spending gaps in Britain, and could be used to bolster the NHS budget or help deal with the pensions deficit.
She asked the panel: “Why are we paying for Brexit? We voted to leave so just leave!”
The Tory MP said 'our best days lie ahead' as she claimed the £50billion figure seems unlikely
Her question was applauded by the fellow guests, but following a weak response from Tory MP Suella Fernandes the audience member launched a fresh wave of criticism regarding plans to pay the huge fee to Brussels.
She said: “There’s talk of borrowing £50billion in order to leave the EU… I’ve got better ideas [on how] to spend that money.”
Suella Fernandes' claims left Tim Farron looking bemused
She touted the NHS and social care and pensions as key areas where the money is needed, before launching a plea for the money to be spent on pensions.
The audience member added: “I want my pension! The Government keeps saying there is no money for this country – we are desperate!
“Why should we go without our pensions so we can give the EU £50billion? Not on my watch!”
Brexit Negotiations: Britain's sternest enemies Tue, April 4, 2017
According to a new index, the EU27 countries fall into three groups: hard-core, hard and soft. These are the countries with the highest scores which indicate a fairly strong opposition to Britain’s position
AFP/Getty Images 1 of 7
France has the highest score in the index at 32.5
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Ms Fernandes responded: “You’re absolutely right, and this figure of £50billion doesn’t have any leal basis whatsoever.
“It doesn’t seem likely that there will be such a bill for £50billion – it’s part of ‘Project Fear’.
“We pay into the European Investment Bank, so actually we’re going to get a windfall from leaving so I think that the scaremongering about having to pay to leave is just not true.
“We have a lot to gain, our best days lie ahead and we’re going to be enjoying the freedoms and the benefits that we gain from leaving.”