Naturally, it is filled with some of the most toxic couples and the most vitriolic feuds that you can imagine.
Not all of that bile plays out on camera, either.
Sometimes, it’s a rival from their season or a person who was almost family.
Other times, it’s people who have only met once or twice, but experience loathing at first sight.
Take a look below and see the most intense feuds that have ever played out among the stars.