The RnB star had a similar effect on the crowd in 2010 when he brought will.i.am AND Bieber on stage This image appears in the gallery:Iconic Summertime Ball Moments Which Trended Worldwide! 9. The RnB star had a similar effect on the crowd in 2010 when he brought will.i.am AND Bieber on stage 21 images See the full gallery: Iconic Summertime Ball Moments Which Trended Worldwide!