AI Season 9 Usher, Diddy and Justin Bieber to Perform on Wednesday’s Results Show 03/26/2010 mj santilli 88 Usher will be mentoring the Top 10 on Tuesday (8/7c FOX) as the kids take on R&B/soul songs. He’ll return on Wednesday (9/8c FOX) to perform his new single, “OMG”. Also set to perform–Diddy &
