The 15-year-old pop sensation – whose debut album My World went platinum within four weeks of its release last November – will be a featured performer, along with Grammy winner Rihanna, Nickelodeon has announced exclusively to PEOPLE.
For Bieber fans who want to see the young heartthrob up close, Nickelodeon is offering an All-Access Sweepstakes with Justin Bieber. Those wishing to enter the contest, which runs March 3-10, may do so at nick.com/kca10. The winner will receive a trip for four to Los Angeles, tickets to the show, an invitation to walk the famous KCA orange carpet, access to Bieber's pre-show rehearsal and a private meet-and-greet with the teen star.
Kevin James will host 23rd Annual Kids' Choice Awards in Los Angeles on March 27.





















