The fourth set of semi finalists perform live in front of the judges and viewing audience. The judges give their verdict on each act after they have performed. At the end of the show Julian Smith learns he has the most amount of viewer votes and has made it through to the final. 2 Grand and Callum Francis then have to face the judges to see who will get the other place. The judges decide to put 2 Grand into the final.
Britain's Got Talent is a reality talent show hosted by Ant and Dec. Any sort of entertainment act is able to enter the competition and hopefully impress the judges and make it through to the final stages of the competition.
The series winner's prize is £100,000 and the chance to perform at the Royal Variety Show. The judges on the show are Simon Cowell, Amanda Holden, Alesha Dixon and David Walliams.
Britain's Got Talent - Series 3, Semi Finals 4 Synopsis and Schedule