March 27, 2010 03:30:15 GMT
Beside the Canadian pop star, P. Diddy and Usher will also visit the hit singing competiton hosted by Ryan Seacrest.
Next week, "American Idol" reportedly will have a live performance from pop singing sensation Justin Bieber. The singer who is currently busy rehearsing for Nickelodeon's Kids' Choice Awards is rumored to appear on the Wednesday episode of the reality singing competition and tape the show days before.
In addition to Justin Bieber, P. Diddy and Usher are also going to take the "Idol" stage. Diddy and his band Dirty Money will perform "Hello, Good Morning", while Usher who is Justin's mentor is set to deliver his new single "OMG".
After having Billboard No. 1 hits as a theme last week, the "American Idol" decide to bring R&B/soul music for the Top 10 performance. Usher is booked to assist the remaining contestants for the upcoming show.