Sarah Harding has set her sights on the world of TV and film.The 27-year-old is ready to dominate the small, and possibly the big, screen once Girls Aloud go their separate ways.The blonde popstrel has been touting herself around several TV companies in the hope that she will be snapped up to host a show. It seems she is hoping to emanate the success of fellow bandmate Cheryl Cole who became a national treasure after judging on ITV’s X Factor.Sarah realises that Girls Aloud can't carry on forever and thinks that television and film are where her future career lies.‘Ideally she’d like to do some sort of music and chat show. She’s also keen on acting’, a source told The Sun.She has already had a taste of acting, starring alongside Mamma Mia star Dominic Cooper in BBC1 drama Freefall, which airs next month.She is also reportedly up for a role as a naughty schoolgirl in the new St Trinians' movie. She auditioned for the part and is now set to sign on the dotted line.To top this all off talent bosses at William Morris Agency in New York, who represent the like of Richard Gere, Prince and Denzel Washington have shown interest in Sarah. According to reports they are keen to chat with her once the band’s current tour finishes.Cheryl better watch out – looks like a new GA star is emerging!