The Girls Aloud singer has made no secret of her desire to join the panel of the X Factor, so she will no doubt be hoping the stint will help her get Simon Cowell’s attention.
Sarah, 31, will join several as-yet-unnamed celebrities on the Britain’s Got Talent ITV2 spin-off show during the live final at the end of May.
A source revealed: ‘Sarah is delighted. She’s proven herself as an actress (St Trinian’s) and comes across as bright and opinionated. She’s also very easy on the eye and will inject some much-needed glamour to the BGMT cast.’
The source also added: ‘She has been offered the gig on the night of the final which, obviously, will be the biggest audience of the series so far.’
To get BGT Amanda Holden’s summer look, click here