Summary: Ant and Dec host the eleventh series of the UK's biggest talent show as judges Simon Cowell, Amanda Holden, Alesha Dixon and David Walliams return to the panel for a sixth year.

Summary: Ant and Dec host the UK's biggest talent show as judges Simon Cowell, Amanda Holden, Alesha Dixon and David Walliams take in the second round of weird and wonderful auditions.

Summary: Ant and Dec host the UK's biggest talent show as judges Simon Cowell, Amanda Holden, Alesha Dixon and David Walliams take in more weird and wonderful auditions across the nation.

Summary: Ant and Dec host the UK's biggest talent show as judges Simon Cowell, Amanda Holden, Alesha Dixon and David Walliams take in the fifth round weird and wonderful auditions.

Summary: Ant and Dec host the UK's biggest talent show as judges Simon Cowell, Amanda Holden, Alesha Dixon and David Walliams take in the fifth round weird and wonderful auditions.

Summary: Ant and Dec host the talent competition as the judges take in the final auditions, before whittling down this year's crop of talented acts ready for the live semi-final shows.

Summary: Ant and Dec host the talent competition’s second live semi-final show of 2017 as the next group of chosen acts take to the stage. A diverse range of performers will be vying for the chance of winning the life-changing 250,000 pound prize and a spot at this year’s Royal Variety Performance, but who will impress the voting public and the judging panel tonight?

Summary: Ant and Dec host the talent competition’s second live semi-final show of 2017 as the next group of chosen acts take to the stage. A diverse range of performers will be vying for the chance of winning the life-changing 250,000 pound prize and a spot at this year’s Royal Variety Performance, but who will impress the voting public and the judging panel tonight?

Summary: Ant and Dec host the talent competition’s third live semi-final show as another group of talented acts take to the stage. Tonight’s performers are all competing for the chance of winning a life-changing 250,000 pounds – as well as a guaranteed appearance at this year’s Royal Variety Performance – but which of them will manage to impress both the voting public and the judging panel?

Summary: Ant and Dec host the talent competition’s third tension-packed results show. The act with the most public votes will automatically go through to the live grand final, with judges Simon Cowell, Amanda Holden, Alesha Dixon and David Walliams deciding which of tonight’s two runners-up will join them. The show also includes another performance from a big name guest.

Summary: Ant and Dec host the talent competition’s fourth live semi-final show as more talented acts take to the stage. Each of tonight’s acts is competing for a life-changing prize of 250,000 pounds and a guaranteed appearance at this year’s Royal Variety Performance, but which of them will manage to impress both the voting public and the judging panel?

Summary: Ant and Dec host the talent competition’s fourth tension-packed results show. The act with the most public votes will go straight through to the live grand final, with judges Simon Cowell, Amanda Holden, Alesha Dixon and David Walliams then deciding which of the two runners-up will join them. The show also includes another big guest performance.

Summary: Ant and Dec host the talent competition’s fifth and final live semi-final show as the remaining group of acts take to the stage. Everyone performing tonight will be hoping to win that life-changing prize of 250,000 pounds and a guaranteed appearance at this year’s Royal Variety Performance, but who will win the most public votes?

Summary: Ant and Dec host the talent competition’s fifth and final semi-final results show. The two acts with the most public votes will go straight through to Saturday’s live grand final, while judges Simon Cowell, Amanda Holden, Alesha Dixon and David Walliams decide on a wildcard act to join them. The show also includes a performance from X Factor 2016 finalists 5 After Midnight.

Summary: The eleventh series of Britain's Got Talent comes to a close tonight with its spectacular live finale. After a series which has seen the good, the bad, the weird and the wonderful and has showcased the best talent on offer from singers and magicians to dancers and comedians, tonight the final acts go head-to-head as they try to capture the public's hearts and votes. The lucky winner will be crowned the 11th champion of Britain's Got Talent, securing a life changing cash prize of £250,000 and a spot at this year's Royal Variety Performance. Who will be crowned the winner? It's over to Britain to decide.