Nicki Minaj blasted former "American Idol" judge Steven Tyler on Twitter after he made what the singer thought was a "racist" remark against her. The Aerosmith frontman slammed the rapper for her alleged feud with fellow "Idol" judge Mariah Carey.
Love triangles, controversial politics and friendships-gone-bad. These temperamental celebs and figures have their spats in the spotlight.
Please wait. Your gallery will be ready in 5 seconds.