Brian Dowling returns to present the two hour launch show, as a new crop of famous faces enter the house for the very first time.
Spin-off show Big Brother's Bit On The Side follows at 11.00pm, featuring host Emma Willis discussing the new housemates with a celeb panel and rowdy studio audience.
The first highlights show airs at 9.00pm the next night, followed by 30 minutes of live streaming at 11.00pm.
Stars rumoured to be taking part include media personality Katie Price, 'Bat Out Of Hell' singer Meat Loaf and politician John Prescott.
Recently eliminated X Factor contestant Rylan Clark has also been linked to the show, although he is committed to the talent contest's live tour, which begins at the end of January.
It will be the fourth series of Celebrity Big Brother to be broadcast on Channel 5 since it begun airing the show last August.