Mum Claire Connolly gave up her chance to audition on BGT to pass the spotlight to her daughter Tia, and what happened next blew our minds! Watch Tia come to life on stage as she gives a belting performance of Whitney Houston's 'I Didn't Know My Own Strength'. See more from Britain's Got Talent at http://itv.com/BGT SUBSCRIBE: http://bit.ly/BGTsub Facebook: http://www.facebook.com/BGT Twitter: http://twitter.com/BGT Instagram: https://www.instagram.com/bgt/ TikTok: https://www.tiktok.com/@bgt