WATCH: 'Britain's Got Talent' Presenters Ant & Dec Record New Opener For Show, With Familiar Faces (VIDEO)

Ant and Dec have recorded a big number for the new series of 'Britain's Got Talent', with some familiar faces helping out.

The opener begins with a mysterious red buzzer placed in the middle of Covent Garden, with an arrow pointing to it that reads: 'Push for Talent.'

Bemused onlookers stand by waiting for someone to dare to push it and when they do, there are plenty of surprises in store with a wealth of performers unleashed on the unsuspecting crowds, including a host of former 'BGT' stars such as last year's winners Ashleigh and Pudsey.

WATCH them in action above...

The brand new opener will air at the beginning of 'Britain's Got Talent' on Saturday 13 April at 7pm on ITV