Britain's Got Talent 2015: Roller dancer Feng Xue is going round in circles

Britain's Got Talent 2015 - Belly dancer Arman's hips don't lie!

Britain's Got Talent 2015: Andrew Fleming's desperate to make a good impression

Britain's Got Talent 2015 - Singer Gracie is a little sweetie, but will her dreams come true?

Britain's Got Talent 2015 - The Kingdom Tenors want to raise the roof

Britain's Got Talent 2015 - Musicians Stuart and Gareth blow their own... trombone!

Britain's Got Talent 2015: Will rock singer Aaron warm the Judges' hearts?

Britain's Got Talent 2015: Peter Lambert's very entertaining... just ask his mum!

Britain's Got Talent 2015: Vocal group The Neales are keeping it in the family

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

Britain's Got Talent 2015 - Will the Judges bend over backwards for Bonetics?

Britain's Got Talent 2015: Comedian Colin Smith may need some new jokes

Britain's Got Talent 2015: Musicians The Kanneh-Masons are keeping it in the family

Britain's Got Talent 2015 - Groove Thing get their groove on

Britain's Got Talent 2015 - Can nervous opera singer Emma Jones find her voice?

Britain's Got Talent 2015: Disney singers Misstasia want EVERYONE to be happy, like ALL the time!