Justin Bieber shines in silver and purple as he performs live on stage at the O2 Arena in Dublin, Ireland on Tuesday night (March 8).Roshon Fegan, who stars on Disney’s Shake It Up, recently told JJJ that he would love to see Justin, 17, on the show in one way or the other.Ro shared, “All of the special guests [on the show] were so amazing. I think it would be great to have my boy Justin Bieber