All grown up! The child stars of BGT return to the stage | BGT: The Champions

See more from Britain s Got Talent at http://itv.com/talent The pint-sized performers of Britain s Got Talent transformed from child stars to stars of the stage when they took on the world for Britain s Got Talent: The Champions! SUBSCRIBE: http://bit.ly/BGTsub Facebook: http://www.facebook.com/BGT Twitter: http://twitter.com/BGT Instagram: https://www.instagram.com/bgt/ Shop: https://shop.britainsgottalent.co.uk