Eighty one potential housemates were invited to the live launch where big brother randomly selected 13 people to enter the house for the final season. The last housemate, Mario, was chosen by Davina, from a tombola containing the names of the remaining contestants. Of course there was a twist, and the conditions for Mario to enter the house were that he had to dress up as a mole (wearing a sign "I am a Mole") and entered the house and be the undercover mole. Later on that evening his 'bedroom' was revealed - out in the garden (a Mole hole!).