High Quality Content by WIKIPEDIA articles! Celebrity Big Brother is a British reality television game show in which a number of celebrity contestants live in an isolated house trying to avoid being evicted by the public with the aim of winning a large cash prize being donated to the winner`s nominated charity at the end of the run. The programme has aired annually since 2001 (apart from in 2003, 2004 and 2008, when the show did not air) until 2012, when it was announced that two series would air each year.