The dance troupe Diversity beat Susan Boyle into second place to win the worlds biggest talent show in 2009.
The ten-strong dance troupe from Essex and London gained the most public votes in the competition, beating Scottish singer Susan Boyle into second place.
Diversity's choreographer Ashley Banjo was blown away by the result, telling Ant and Dec, "When you said our name I thought I was dreaming. Everyone who has voted - you have changed our lives".
The group, who got together in 2007 with members aged 12-25 they blew the judges away with their incomparable 'transformer' dance routine.
On their performance, Simon Cowell told the troupe, "This is the only performance of the night, if we were giving marks, I would have given a ten. It was sheer and utter perfection."