During this week's nominations, Hallie Clarke and Olivia Young broke the Big Brother rules by attempting to tell each other who they voted for in code. After drawing out names on each other's backs, they were punished by spending an evening in the garden prison in the pouring rain – and they weren't very happy about it.
But as Big Brother pointed out, all housemates are told the rules before entering the house. Worse still, they know they are under 24 hour surveillance and Big Brother is always watching them.
It turns out there are even more rules than we realised on the show. I'm sure all house mates under the age of 50 will be devastated to know that you're not allowed to bring a walkman in with you, you're also forbidden from wearing a watch or speaking in a different language! Plus, whispering is strictly prohibited.
Want to know more about the rules to be on Big Brother? Here's the rest of the Big Brother rules, from the understandable to the downright strange...
What are the Big Brother rules?
All versions of Big Brother around the world have the same set of rules for house mates. They are as follows:
Hallie and Olivia have been warned! Next time they might not get away as lightly.