"American Idol" judges Nicki Minaj and Mariah Carey are none too fond of each other. Check out these other notable celebrity feuds.
"American Idol" newcomer Nicki Minaj unleashed a tirade against fellow co-star Mariah Carey on Oct. 2, 2012, ultimately threatening to punch the singer out after the two new judges disagreed over a contestant's performance.
CNN Exclusive/Richard Dessin
Boy Scouts of America
Library of Congress
Auction Team Breker
Chuck Kennedy/The White House
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