Not all Diary Room footage is broadcast due to the privacy of the contestants. Each week all housemates nominate two of their fellow contestants for potential eviction. Failure to do so may result in a punishment, such as a reduction in the prize fund. The two, or more, housemates with the highest number of nominations face a public vote conducted by phone, with the contestant receiving the most votes being evicted from the house. The last contestant remaining in the house is declared the winner and will earn money for a charity. "Big Brother" host Davina McCall returned for "Celebrity Big Brother" to host the live premiere and eviction episodes. The eviction episodes remain largely unchanged from that of the main series. Over the duration of the series, the Housemates are given a series of tasks by Big Brother which test them in many ways. They are also put to the test by their own ideals, prejudices and opinions against other people from different walks of life; something that has survived from the original "social experiment" of Big Brother 1. They live in the communal House and share cooking and cleaning chores among themselves, which usually provides plenty of tension. Housemates are forbidden to sleep during daylight hours (unless unwell) - Big Brother plays the wake-up call persistently in the morning if housemates do not wake up and will play an alarm clock noise into the house if a housemate falls asleep during the day. Housemates must also live by the fundamental rules of Big Brother; if the rules are broken it can result in formal warnings, various punishments or even a housemate's removal from the House. They must wash their own clothes by hand, and they have to make their own bread from scratch. Each week Big Brother sets the Housemates a task in order to determine the shopping budget for the following week. They must work together to win the tasks in order to win a luxury shopping budget which changed based on the number of people remaining in the house. If all food runs out in the House, Big Brother provides emergency rations of chickpeas and rice. Housemates are responsible for their own shopping and decide which items the budget will allow them to have. Only a small percentage of the overall budget can be spent on alcohol. On Day 1, Anthea, Chris, Claire, Jack, Keith and Vanessa entered the "Big Brother" house. In a special twist, each Housemate made their nominations live on the launch episode. Every Housemate except for Vanessa had one vote cast against them. Ultimately, Chris and Anthea were selected as the first nominees of the season, with Anthea receiving three nominations and Chris receiving five, meaning everyone chose to nominate him.