House head Mo
Mohamed was elected as head of house yesterday. The 24-year-old Somalian - who has been branded as "greedy Mo" by fellow housemates - was unwittingly put forward by the rest of the group, who thought they were voting for who they wanted evicted.
Mohamed has now been granted immunity and is guaranteed a place in the 'Big Brother' final.
The group jumped up and down with excitement when Big Brother announced the news, with Rex starting a chorus of Europe's 'Final Countdown'.
Rachel said: "Well Done, Mo! You are happy, aren't you?"
Mohamed was speechless at the result.
Big Brother treated the housemates to pitchers or cocktails, dubbed 'Mo-garitas' in celebration of the new head of house.
Arrogant chef Rex - who is always forcing his culinary skills on the rest of the group - conducted a master class in how to make Margaritas.
A special task will decide which housemate - excluding Mohamed - will be evicted on Wednesday.
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