Diversity Flash Mob sky.com/sky1Hundreds of shoppers at the Westfield shopping centre in London got an early Christmas present this morning when dance phenomena Diversity, supported by 120 dancers, performed an impromptu 90 second dance routine to a medley of tracks including music by Michael Jackson and The Black Eyed Peas in the shopping malls Atrium. Diversity leader and Got To Dance judge, Ashley Banjo, said: "We have done a lot of performances recently, but this was by far one of the most exciting because the crowd werent expecting it. I have warned the boys, that there are so many talented dancers in Got To Dance we had better watch our backs.