4G have some serious six packs | Britain’s Got More Talent 2016

See more from Britain's Got Talent at http://itv.com/talent Gymnastic act 4G are on hand to show off their skills to Stephen, with the lads also revealing something interesting which calls for some medical help! SUBSCRIBE: http://bit.ly/BGTsub Facebook: http://www.facebook.com/BGT Twitter: http://twitter.com/BGT