Nov 20, 2013 11:01 AM EST By Lauren DuBois

Worst Celebrity Feuds Of All Time PHOTOS: Mariah Carey and Nicki Minaj, Miley Cyrus and Sinead O’Connor & More!

Feuds are always nasty, and with the advent of social media, they can become incredibly more public very quickly. The battles can also escalate at record speeds, with those who feud trading insults only as quickly as it takes to compose a tweet of 140 characters or less.

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  • Judges Randy Jackson (L-R), Mariah Carey, Keith Urban, Nicki Minaj and host Ryan Seacrest attend a Fox panel for the television series "American Idol" at the 2013 Winter Press Tour for the Television Critics Association in Pasadena, California January 8, 2013.
  • U.S. singer singer Miley Cyrus arrives on the red carpet for the Bambi 2013 media awards ceremony in Berlin. (Nov. 14, 2013)
  • Sinead O'Connor, Nothing Compares to You
  • E! Fashion Police host Joan Rivers.
  • Few women in comedy have gotten the attention and respect of the Establishment. Chelsea has, while being raw, hilarious and unafraid to cross the line, Time magazine wrote.
  • Donald Trump
  • Rosie O'Donnell
  • Kanye West (L) takes the microphone from best female video winner Taylor Swift as he praises the video entry from Beyonce at the 2009 MTV Video Music Awards in New York. (Sept. 13, 2009)
  • U.S. actor Tom Cruise arrives for the world premiere of the film "Jack Reacher" in Leicester Square in central London December 10, 2012.
  • Kelly Osbourne attends the 65th Annual Emmy Awards in 2013.
  • Lady Gaga arrives for the UK launch of her new fragrance "Fame" outside Harrods in London. (Oct. 7, 2012)
  • Lindsay Lohan had her sixth stint in rehab in 2013.
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  • Photo Credit Gage Skidmore/Wikimedia Commons
  • Photo Credit Rosie O'Donnell's Facebook Fan Page
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  • Photo Credit Instagram
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