HOT OFF THE PRESS! Two'Idol' judges down, one (or more) to go. And I just read tonight pop singer Katy Perry was reportedly offered $20 million to join the panel and she turned it down! Pop singer/rapper Nicki Minaj is also close to a deal in joining Mariah Carey, and now Urban, for season twelve. Here's the scoop from Taste of Country's Billy Dukes.