Ted, 92, and his 21-year-old granddaughter Grace hit the BGT stage with their double act. With a 70-year age gap they are perhaps the most unlikely of musical duos, but they have a performance up their sleeves that appeals across the generations. See more from Britain's Got Talent at http://itv.com/talent SUBSCRIBE: http://bit.ly/BGTsub Facebook: http://www.facebook.com/BGT Twitter: http://twitter.com/BGT Instagram: https://www.instagram.com/bgt/

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