The new photos of this series' Diary Room centrepiece follow the release of a number of preview pictures from inside the compound.
Ruby Wax, Natasha Giggs, Michael Madsen and Andrew Stone have all been linked with a spot on the new series of the Channel 5 show.
On Wednesday, Irish model Georgia Salpa was revealed to be taking part in the reality competition via a message on her agency's Facebook account.
Last year's Celebrity Big Brother was won by Paddy Doherty, with Kerry Katona and Jedward finishing in second and third place respectively.
Celebrity Big Brother begins tonight (Thursday) at 9pm on Channel 5.
> Brian Dowling talks Celebrity Big Brother 2012
Watch a tour of the house with Big Brother's Bit on the Side host Alice Levine below:
Scroll through a gallery of rumoured Celebrity Big Brother 2012 housemates below: