Britain's Got Talent

Ant and Dec host as the first eight acts that made it through the audition rounds perform in front of the judges and a live audience for a chance at a place in the final. For the first time in the history of the show, the golden buzzer now appears in the live rounds, giving judges Simon Cowell, Amanda Holden, Alesha Dixon and Bruno Tonioli, as well as presenters Ant and Dec, the power to send one act straight through to the grand final. The audience will then vote for their favourite act, who will gain the second place.

Ant and Dec host the second semi-final as more acts that made it through the audition rounds perform in front of the judges and a live audience for a chance of a place in the final. Judges Simon Cowell, Amanda Holden, Alesha Dixon and Bruno Tonioli, as well as presenters Ant and Dec, have the power to send one act straight through to the grand final with the golden buzzer, before the audience votes for their favourite act, who will gain the second place.

Ant and Dec host the third semi-final as eight more acts that made it through the audition rounds perform in front of the judges and a live audience for a chance of a place in the final. Judges Simon Cowell, Amanda Holden, Alesha Dixon and Bruno Tonioli, as well as presenters Ant and Dec, have the power to send one act straight through to the grand final with the golden buzzer, before the audience votes for their favourite act, who will gain the second place.

The fourth semi-final of the series sees the next eight acts who impressed the judges during the audition rounds put on the performance of their lives as they compete for a spot in the live final and edge one step closer to that life-changing cash prize of 250,000 pounds and a spot on the bill of the coveted Royal Variety Performance.