Pizza delivery driver, Jamie, who sang 'Bring Him Home' from the musical Les Miserables, on Saturday night's show, was described by co-host Declan Donnelly as 'the most nervous contestant we've ever had'.
Before his amazing performance Simon Cowell asked him Have you ever done anything like this before, where you've sung to an audience like this?'
Jamie, shook his head and replied: 'No!'
But, according to reports in the press, Jamie has already performed in a West End show.
Jamie hit back at critics: 'I have previously performed as part of a group but I never sang alone.'
Just press play to see our video below of his West End performance, plus his first interview since Britain's Got Talent.
Jamie's West End performance:
Jamie's first interview:
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