During last week's live shows, Carey -- who's had 18 singles reach No. 1 on Billboard's Hot 100 chart -- commented that not everyone gets to have a number one hit. Minaj took the comment as a personal dig and unleashed a series of Twitter rants, calling the five-time Grammy award winner "bitter" and "insecure," and alluding to a rumor that producers wanted to replace Carey with former "Idol" judge Jennifer Lopez.
The rapper tweeted: "All dem #1s but Jlo phone ringin? I guess having a personality, being a secure woman, and giving genuine critique still trumps that."
Now, according to Fox News, things are so bad that the "Butterfly" singer may be flying the coop -- before the show's finale next week.
A source close to "American Idol," told FOX411's Pop Tart's column: "Mariah doesn't want to come back, Nicki is really disrespecting her and she's tired of trying to bite her tongue all the time. One night Nicki tried to be kind of nice, but Mariah didn't bite, so I guess she figured screw that."
The rivals got off to a bad start last summer during the show's audition phase. During a "Nightline" interview with Barbara Walters, Carey revealed that she hired extra security last summer after the "Super Bass" rapper allegedly threatened to shoot her with a gun during an explosive argument on the "Idol" set.
"It felt like an unsafe work environment," Carey said. "Anytime anybody's reeling threats at somebody, you know, it's not appropriate. I'm a professional. I'm not used to that type of environment."
While producers downplayed the scuffle, the on-camera diva drama and eye rolling reached epic proportions last week. During Wednesday's performance show, when the two didn't agree on contestant Angie Miller's performance, Minaj actually pulled some Q-Tips and told her rival she needed to clean her ears out!
No matter what happens this season, Mariah Carey is reportedly done with the show for good once the Season 12 finale wraps. (The show is down to final three contestants Angie Miller, Candice Glover, and Kree Harrison.)
"She's done with it all. She doesn't need the platform, and all the drama isn't healthy for her," the FOX source said.
Take that, dahling!
"American Idol" airs on Wednesdays and Thursdays on FOX.
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- Arts & Entertainment
- American Idol
- Mariah Carey