Skating siblings Billy and Emily England are in a spin! | Semi-Final 1 | Britain's Got Talent 2015

See more from Britain's Got Talent at http://itv.com/talent Don't try Billy and Emily's death-defying roller-skating act at home folks! The roller-skating siblings raise the stakes for the semi-finals, with Emily flying on stage inside a perspex ball! SUBSCRIBE: http://bit.ly/BGTsub Facebook: http://www.facebook.com/BGT Twitter: http://twitter.com/BGT