Suor Cristina, a nun, came on 'The Voice Italy' this past Wednesday and suprised everyone, including the judges when she sang Alicia Key's 'No One' from 2007.

She got a standing ovation from the crowd and every judge turned thier chairs around!

The video has gone viral since Wednesday and so far, has almost 6.5 million views.

This reminds me of all the gems out there who have gone on shows like this and just suprised everyone. To refresh your memory, check out the performances below from Paul Potts and Susan Boyle, both who performed on 'Britains Got Talent'.

Paul Potts

Susan Boyle