Myra Dubois on Britain's Got Talent semi-final

Who else but Myra Dubois could get Amanda Holden on stage to sing with them?

A duet for the ages, watch as the pair perform Elaine Paige and Barbara Dickson's I Know Him So Well.

Myra Dubois on Britain's Got Talent

Myra Dubois is a force of nature on the BGT stage, leaving Alesha Dixon in tears of laughter.