Joe Oakley - Britain's Got Talent Live Semi-Final

Joe Oakley - Britain's Got Talent 2011 audition

Britain's Got Talent - Jai McDowall - Live Semi-Final

Britain's Got Talent - James Hobley - Live Semi-Final

Britain's Got Talent - Mexican Mayhem - Live Semi-Final

Britain's Got Talent 2015: Will Great Britain love The Sakyi Five? (Semi-Final 3)

Britain's Got Talent 2015: Watch Alesha Dixon perform her new single (Semi-Final 4)

Britain's Got Talent 2015: Young singer Maia Gough doesn't know her own strength (Semi-Final 4)

Britain's Got Talent 2015: The Kanneh-Masons perform a musical medley (Semi-Final 4)

Britain's Got Talent 2015: Gracie Wickens-Sweet is feeling reflective (Semi-Final 3)

Britain's Got Talent 2015: Singer Ella Shaw is feeling good about her performance (Semi-Final 3)

Britain's Got Talent 2015: Have Old Men Grooving got what it takes? (Semi-Final 2)

Britain's Got Talent 2015: Dancer Bonetics is in bit of a bind (Semi-Final 2)

Britain's Got Talent 2015: Watch the nail-biting result of the first semi-final (Semi-Final 1)

Britain's Got Talent 2015: Welsh choir Côr Glanaethwy raise the roof (Semi-Final 1)

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