The pop diva joined the show for the upcoming season, along with new judges Nicki Minaj and Keith Urban, and returning member Randy Jackson.

"I didn't have a show like Idol," says Mariah. "I waitressed and did all these other things I hear a lot of the contestants talk about doing. I always sang and I always wrote; it's just having that ambition – you really can't let go of your dreams. When I see that…it's like 'that person has it.'" - Watch the promo spot here.

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