Double act Jules and Matisse won the public vote with their adorable semi-final routine.
Matisse brings another little friend along for the final - could they run away with a win?
Magician Jamie Raven conjured up a helicopter to win his semi-final.
He goes back to his roots for a magical performance in the final, but will it end on a sour note?
Young Isaac couldn't believe his luck when he breezed into the BGT final.
You could hear a pin drop during his rendition of Billy Joel's She's Always A Women, but will the public make some noise for the young singer?
The British public voted Jules O'Dwyer and Matisse the winners of Britain's Got Talent 2015 but take a look at how close the competition has been this series.
It's the voting results breakdown...
The public can't get enough of these old groovers.
But will their wedding-themed routine run rings around the competition?
The 165-piece Welsh choir brought the house down with their rousing semi-final performance.
Could their magnificent rendition of hallelujah bring home a win to the valleys?
Simon's golden buzzer act Calum won his semi-final with an inspired song choice.
After a shaky start, will his spine-tingling rendition of Rihanna's Diamonds cut it with the crowd?
His spot on impressions of Keith Lemon and Alan Carr, among others, had the Judges in stitches during his semi-final performance.
But will the public give him a big fat yes in the final?