The housemates set to enter the redesigned Big Brother house have been revealed ahead of the Channel 5 show's live launch.
The broadcaster has taken the unprecedented step of introducing the 16 people who will be subject to round-the-clock filming before the new series airs for the first time on Tuesday.
Among them are a former X Factor contestant, Eileen Daly, 51, from London, and model Aaron Frew, 24, from Northampton.
They will be entering an altered building complete with a fish tank and a round sofa said to be inspired by the 1960s style of hit TV show Mad Men.
Presenters Emma Willis and Rylan Clark will return to the reality show, which is now called Big Brother: Timebomb.
It was announced last month that Channel 5 had signed up for another three years of the show, which will keep it on air until 2018.
The station said it would continue to show one series of Big Brother every year along with with two series of the celebrity spin-off version.
The show, originally broadcast in the UK on Channel 4, has been a huge success for Channel 5 and guarantees them big audiences as well as a steady stream of controversy.
The main Big Brother series was the most-complained-about show of last year, with Ofcom receiving 3,784 complaints, many centred on the behaviour of its eventual winner Helen Wood, who was accused of bullying other contestants.
The previous series of Celebrity Big Brother was second, with 1,874 people contacting the watchdog.
The other contestants in the new series are:
:: Adjoa Mensah, a 22-year-old law student from Manchester whose first language is Dutch.
:: Twins Amy and Sally Broadbent, both 27, from Manchester. Amy is a nightclub hostess who claims to have dated a famous footballer and Sally is a personal trainer who says she spends £500 a month on beauty treatments.
:: Chloe Wilburn, a 25-year-old office administrator from Doncaster.
:: Cristian MJC, a 20-year-old London rapper and singer who also goes by the name Matthew Clarkson.
:: Danny Wisker, 29, a demolition man from Margate who is friends with Ricci from fellow reality series Geordie Shore.
:: Harriet Jackson, a 22-year-old Ukip voter and cafe worker from London.
:: Jack McDermott, 23, a Plymouth Argyle fan and floor manager at a fast food outlet.
:: Jade-Martina Lynch, a polyamorous 24-year-old model from Dublin.
:: Joel Williams, 19, the youngest councillor in Wales and dubbed a "wannabe prime minister" by the programme-makers.
:: Kieran McLeod, 30, an ex-professional basketball player and radio host from Birmingham.
:: Nick Henderson, an unemployed 19-year-old from Hertford.
:: Sarah Greenwood, 24, a law student from Manchester.
:: Simon Gross, a 46-year-old theatre company owner.
Big Brother: Timebomb will begin live on Tuesday, May 12 at 9pm on Channel 5.