7. Bill Clinton
This feud is a bit one-sided. But Bieber cursed off Bill Clinton while peeing into a mop bucket in a restaurant kitchen.
8. Justin Bieber's Neighbor
Bieber's neighbor in Calabasas has been spit on by the singer and had eggs hurled at him by the singer because the neighbor didn't like how Bieber partied and drove so quickly.
9. Vanilla Ice
Vanilla Ice told The Huffington Post that Bieber will one day “be forgotten and it’s going to be entertaining to watch”
10. Selena Gomez
There's a thin line between love and hate. And Selena has trended toward the latter on many occasions when it comes to Bieber.
11. Orlando Bloom
Orlando Bloom tried to punch Bieber out due to the singer's relationship (whatever it may be) with Miranda Kerr.
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