The 26-year-old rapper has been accused of not being ''invested'' in 'The X Factor' Australia by her fellow judge, who doesn't feel she was a good match alongside herself, Adam Lambert and Mel B.
Explaining why he thinks this year's show was a flop, he told the Herald Sun newspaper: ''The ratings were a huge struggle, but I think there was a lot against us.
''[The season] was brutally short. We said goodbye to four people in one episode. I mean, come on. And it wasn't the right chemistry on the panel.''
''[Iggy is] a bit of a weirdo. I don't really get Iggy. You've got to be invested and she didn't turn up.''
And the 35-year-old singer called for some big changes to be made to this year's show, which was won by Isaiah Firebrace.
He added: ''It's time to evolve the show. People aren't stupid.
''They know manufactured television, and they know when something has run its course and people are clutching at straws.''
Meanwhile, the 'Candle' singer has opened up about his ''manipulative and controlling'' religious upbringing.
Discussing how his past inspired new song 'Conscious', he said: ''I was in something that was very manipulative and very controlling, but there are a lot of beautiful people who are in the faith.
''For me, I was in a scenario that ... didn't necessarily embrace individuality. It became very much about a set of rules and you're judged on that. If anybody broke away from it, or questioned it, then you had a 'bad attitude,' or were 'drifting away,' or 'not worthy.'
''It's OK to ask questions and go through your own journey. More so, it's important to know people grow up differently than you, and they believe different things. It's not about who's right or wrong.''
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