After weeks of auditions and five semi-finals, the national talent search comes to a close as the remaining acts perform one last time. Their aim is to win a slot at this year's Royal Variety Performance and get their hands on the £250,000 cash prize. All they have to do is impress the voting public, as the opinions of judges Simon Cowell, Amanda Holden, Alesha Dixon and KSI count for nothing - who wins is entirely down to the viewers at home. Presented by Ant and Dec.
