Nicki Minaj – Headlines screamed from the direction of “American Idol” in 2012 that Nicki Minaj was jealous and hard to work with because of her incessant envy of the preferential star treatment accorded Mariah Carey. Of course, these accusations came from Carey herself, but there are reports of staffers who can corroborate on her infrequent bouts of pettiness, but most can testify to her chronic penchant for tardiness.
