Under the Gunn: Watch Season 1 Episode 9 Online

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It's not everyday that a Grammy Award winner serves as a reality show guest judge.

But Under the Gunn Season 1 Episode 9 was fortunate enough to nab this honor, as Macklemore joined the panel for a special installment.

It included a heated argument in the lounge and the mentors actually confronting the judges at one point. Over what?

And who got the boot in the end? Watch Under the Gunn online now for that answer:

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.