Celebrity guest judges Pete Wentz (Fall Out Boy), Nicole Scherzinger (Pussycat Dolls), Lady Gaga and Kelly Rowland will also weigh in over the course of the competition in P. Diddy’s Starmaker.
https://www.youtube.com/watch?v=qaFbvTG7CpM
Lady GaGa to be in ‘P. Diddy’s Starmaker’