Did they not learn their lesson from Susan Boyle?

I am not usually a great fan of watching these YouTube videos where the judges and audience on a Talent show are ‘wowed’ by a surprise contestant.  The videos are heavily edited, and I am sure most of the audience never actually rolled their eyes at that moment and…

And you know exactly what is going to happen next.

But nobody saw this one coming I don’t think.  Even without the judges reaction, this is one the most amazing things I have ever seen.