Big Brother has been on the air since the year 2000.
It is filmed 24 hours a day, and fans are able to watch a live feed online that keeps them up to speed with what happens inside the house when the show is not airing.
That means some of the houseguests forget their surroundings and say some crazy things.
What about the others?
Well, some of them did not seem to care and had no filter.
We’ve rounded up the most controversial houseguests below.