Everyone loves a good villain -- in fact, the meaner, the better!
These 10 stars may be the worst human beings on the planet, but they make reality TV worth watching: The back-stabbing, cat fighting and manipulation is exactly why we tune in each week. How else are we supposed to feel good about ourselves?
Without further ado, we present: the 10 bitchiest reality stars of all time. Who do you think is the bitchiest reality TV star of all time?