Celebrity Big Brother is a British television reality game show based on the Dutch show Big Brother, created by producer John de Mol in 1997, which aired from 2001 to 2018. The show followed a number of celebrity contestants, known as housemates, who were isolated from the outside world for an extended period of time in a custom built House.

Celebrity Big Brother, also known as Big Brother: Celebrity Edition, is a reality television spin-off series of the American adaptation of Big Brother created by John de Mol. The series began on February 7, 2018 on CBS in the United States and is simulcast in Canada on Global.

Big Brother VIP, is an adaptation of the Big Brother reality television series. It is the celebrity version of its parent franchise Big Brother, the celebrity version airs in several countries, however, the housemates or houseguests are local celebrities. The format of the celebrity version usually keeps the same as the original version.