[ video]NICKI MINAJ & MARIA CAREY OFFICIALLY QUIT THE IDOL

Mariah Carey made it official ... she will NOT be back at the "American Idol" judges' table for a second season -- and just a few hours later her 'AI' nemesis Nicki Minaj also bolted.

Mariah announced her exit amid rumors that 'AI' producers were going to make a clean sweep anyway before next season.

As we previously reported ... 'Idol' is extremely interested in bringing back Jennifer Lopez to judge next season -- and keeping Mariah and J.Lo would clearly be a bad fit ... and a pricey one at that.

Nicki tweeted her sayonara ... thanking 'Idol' for a "life changing experience."
If you've forgotten just how "life changing" -- WE all know the story last October when Nicki and Mariah got into a 4-letter-laced battle royal during 'Idol' auditions in Charlotte.

             Nicki Minaj        ✔ @NICKIMINAJ

Thank you American Idol for a life changing experience! Wouldn't trade it for the world! Time to focus on the Music!!! Mmmuuuaahhh!!!

Nicki Minaj Cusses Out Mariah Carey During 'American Idol' Audition

Nicki Minaj derailed the "American Idol" auditions in Charlotte, North Carolina today, after swearing at Mariah Carey and threatening, "I'm gonna knock you out" ...

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