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The Bieber-Versus-Bloom Beef & 18 More Shocking Celebrity Feuds

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    BEImages/Matt Baron; BEImages/Carolyn Contino.

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    Early this morning, 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 15 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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