The audience could not help smiling in response to the BBC Question Time presenter's correction.
The Today programme host burst the chancellor's bubble with a stark reminder of the last two years.
It comes after two quarterly contractions last year.
The OECD has downgraded the UK's growth for both 2024 and 2025.
The ex-PM also claimed people who criticise her in the UK "don't want to face the truth".
Sky News anchor Trevor Phillips said: "Do you regret tweeting that?"
Inflation has dropped, but it's still far from where the Bank of England want it to be.