From Miley and Sinead to Kanye and Kimmel, check out some of the most notable celebrity feuds.
"American Idol" judge 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.
Joel Page / Reuters
Philip Andrews / Reuters
Keystone Resort/Ben Lindbloom
SRI International via Wikimedia Commons
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