Later today, housemates will complete the Gold Rush challenge by playing cards and revealing who they want to leave the house on Friday.
Two housemates will be immune from nomination after winning the Rocky River of Gold task.
Split into three teams, the Good Housemates, The Bad Housemates and The Really Ugly Housemates have been competing in dance-offs and spaghetti-eating challenges to decide who will have the most time in the River of Gold battle.
The housemates will have to pick out the housemates they want to nominate from a pack of cards and give a valid reason for picking them.
Conor McIntyre and Caroline Wharram have been playing Sheriff and Deputy during the Western-themed tasks.
Big Brother continues daily on Channel 5.