Girls Aloud star Sarah Harding is set to join the panel of Britain's Got More Talent for the series' upcoming finale. The 'Call The Shots' singer is said to be joining an unnamed celebrity panel for the Britain's Got Talent sister show, which airs across ITV2 and is hosted by Stephen Mulhern. "Sarah is delighted," a source told The Mirror this week. "She's proven herself as an actress and comes across as sparky, bright and opinionated. "Of course she's also very easy on the eye and will inject some much needed glamour to the BGMT cast," they continued. "She's been offered the gig on the night of the final, which obviously will be the biggest TV audience of the series so far." The source goes on to suggest Sarah's upcoming one-off appearance on Britain's Got More Talent could even lead the former Girls Aloud star to be in contention for a role on Simon Cowell's other reality show, The X Factor UK. "She has a proven track record within the industry and knows the business," they added. "This BGT opportunity is seen as a fantastic way in and who knows what will happen in the future."capital