Join the Judges and a brand new batch of acts on the official Britain's Got Talent ITV website. Download the App, see the auditions and get. G Ant and Dec host the talent competition's third semi-final show as another group of talented performers take to the stage. Which acts will win the support of the. Welcome to the OFFICIAL home of Britain's Got Talent on YouTube. Watch your favourite highlights from the current or previous series of Britain's Got Talent.