Britain’s Got Talent: Leader of the group, and it's founder, Colleen O'Brien from Crawley has been dancing since she was little, but set up this dance troupe after setting up her own Irish dance school in 2002. Having won dance competitions before, these 30 girls aren't strangers to success, and have tomorrow's final firmly in their sights! With the judges who have seen their audition, loving their act - they're a little nervous of Simon - but they're excited to get out there and perform. Will The Celtic Colleens be getting your vote tonight? See more at itv.com