Jessie J performs live on stage. Ant and Dec reveal that Edward, Jai and Steven are in the top three. They then reveal that Jai has topped the public vote and gained a place in the final. The judges then decide to put Steven through to the final as well.
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 5, Semi Finals 4 (Results) Synopsis and Schedule