Britain's Got Talent 2015: Simon Vs Princess the Hypnodog

Britain's Got Talent 2015: Simon discovers David's rider

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: Will magician Michael be late to the party?

Britain's Got Talent 2015 - Will we see piano prodigy Leo in the semi-finals?

Britain's Got Talent 2015 - Danny Posthill hopes to make a good impression on the Judges

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

Britain's Got Talent 2015: Will Jonathan's contemporary dancing split the Judges?

Britain's Got Talent 2015: Why hello boys! Feeling a bit hot under the collar are we?

Britain's Got Talent 2015: Impressionist Danny Posthill's got a surprise for Simon (Grand Final)