After a year away, the nation's most treasured variety talent show is back on our screens. Now in its 15th series, the multi award-winning talent extravaganza is bigger than ever before, with even more awe-inspiring and show-stopping performers all vying to impress the judges and secure their place in the live-semi-finalsReuniting with their infamous buzzers are judges Simon Cowell, Amanda Holden, Alesha Dixon and David Walliams who this year celebrate their 10th year working alongside one another. Inimitable duo Ant and Dec will also be returning as hosts ready to cheer and console the acts brave enough to brace the stage of London Palladium Theatre.Having had an extra year to perfect their acts, the calibre this year is the best BGT has ever seen. Among the eye-popping talents is a dog act like no other, harmonious choirs and in a BGT first, a phantom man who left the judges spooked like never before.