Nicki Minaj threatens Mariah Carey on TMZ video

SUBSCRIBE to Next Media Animation: http://www.youtube.com/subscription_center?add_user=NMAWorldEdition "Off with her head!" Nicki Minaj yells at Mariah Carey in an awesome video obtained by TMZ. Tensions had been brewing between the two American Idol judges throughout auditions and erupted with a dispute over an American Idol contestant's performance. Facebook: http://www.facebook.com/NMAtv W ...