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The 20 Most Shocking Celebrity Feuds

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    BEImages/Matt Baron; BEImages/Carolyn Contino.

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    This past July, Justin Bieber and Orlando Bloom came to fisticuffs in Ibiza. If this news prompted you to say, “WTF?” you are not alone. Justin Bieber and Orlando Bloom have actually despised one another for a few years now, which just makes this situation seem even more random. Why would a 20-year-old pop star and 37-year-old actor come to physical blows? Allegedly, over women. Suddenly, this feud seems a bit less out of the blue. It's straight-up primal.

    When it comes to these 20 other celebrity beefs, however, the cause isn’t always so basic. Get ready to have your mind blown by these veritable "who-hates-who-and-huh-why-what-the?!" (that will be your approximate reaction) Hollywood throwdowns.

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  2. Photo: BEImages/Matt Baron; BEImages/Carolyn Contino.

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  3. Photo: REX USA/Richard Young/Rex; REX USA/Everett Collection.

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  4. Photo: BEImages/Matt Baron; REX USA/Tony Gonzales/Everett.

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  5. Photo: REX USA/Kim Haughton; REX USA/Everett Collection.

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  6. Photo: REX USA/Tom Dymond/Thames/Rex; REX USA/David Fisher/Rex.

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