Nasty himself, Simon Cowell, was left speechless.
But, with Boyle, his heart melted along with everyone else watching at home.
The rest, of course, is history.

AsTimeadvised, theBritain’s Got Talentalumwas overwhelmed, admitting she never expected to be so successful.
Cowell, meanwhile, had an even bigger reaction.
She is my superwoman."

You’re a champion."
Cowell also previously admitted to being wrong about the Scottish singer in an interview on BBC Radio 2.
