Britain's Got Talent semi-finalists revealed

After weeks of auditions the Britain's Got Talent semi-finalists have been revealed with 45 acts going through to the next round of the competition.

Ant and Dec present the first live semi-final on ITV1 at 8pm tonight. Nine acts, all with their eyes on the prize of a slot at the Royal Variety Performance, perform in front of a studio audience and judges Simon Cowell, Alesha Dixon, Amanda Holden and David Walliams.

Here's a look at some of the contestants who made it through to the live shows:

Singing duo Jonathan and Charlotte
Singing duo Jonathan and Charlotte Credit: ITV
Malakai
Nine-year-old Malakai Credit: ITV
Singer Molly Rainford
Singer Molly Rainford Credit: ITV
The Loveable Rogues
The Loveable Rogues Credit: ITV
Welsh choir Boys Aloud
Welsh choir Boys Aloud Credit: ITV
Urban theatre group Karizma Krew
Urban theatre group Karizma Krew Credit: ITV
Synchronised swimming troupe Aquabatique Synchronised swimming troupe Aquabatique
Synchronised swimming troupe Aquabatique Credit: ITV

Visit the Britain's Got Talent website to see all the semi-finalists and get all the latest news from behind-the-scenes.