Click through some of the more surprising feuds in recent Hollywood history.
Why do these famous folks not get along? For many different reasons...
1. Katy Perry vs. Taylor Swift
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Taylor Swift wrote a song titled "Bad Blood" about an enemy in the music business. We're pretty sure the subject was Katy Perry.
2. Amber Rose vs. Khloe Kardashian
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Khloe mocked Amber's past as a stripper. Rose fired back about Kim Kardashian's sex tape (and O.J. fathering Khloe for that matter) and this Twitter beef was ON!
3. Selena Gomez vs. Lorde
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Lorde doesn't think Selena represents feminists very well. When you're ready come and get it? Come on, Lorde says!
4. Seth Rogen vs. Nancy Grace
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Nancy Grace wondered aloud on Twitter whether pot was to blame for a guy killing his wife. Seth Rogen replied that the anchor is a "dumbass."
5. Kathy Griffin vs. Demi Lovato
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Kathy Griffin thinks Demi Lovato is the biggest "douche" in Hollywood. Lovato's fans thin Griffin should shut the eff up.
6. Lady Gaga vs. Perez Hilton
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Lady Gaga has accused Perez of stalking her. Perez has slammed the singer for thinking she's the Queen of Twitter. Ugly stuff, people.
