ARGUING WITH A LEGEND???

Thanks to TMZ, we’ve got it all on tape! Nicki Minaj goes AT IT with R&B Diva Mariah Carey ..

It was just a matter of time.! We  predicted things would get a little crazy with these 2 sitting in judges chairs , and then Mariah denied there was any beef on set ! tWell looks like there is MAJOR , beef after all!!!

Will this be the end of Nicki’s journey as an American Idol judge??

WATCH FOOTAGE INSIDE!