With rumoured housemates including, Heidi Montag and Spencer Pratt, Claire Richards from Steps, Rylan Clark, Ex-EastEnder Gillian Taylforth, Neighbours star Ryan Moloney, Heartbeat actress Tricia Penrose, and jockey Frankie Dettori, it's set to be another eclectic mix of personalities.
Of course, with plenty of other names in the frame to go in, we won't know until tonight exactly who's giving up their freedom for the next few weeks, but we've seen pictures of the house and it's like an ice palace. We wonder if the atmosphere will be as chilly as the surroundings?
Brian Dowling is on hand to welcome them all to their new home, and Emma Willis presents Big Brother's Bit On The Side after the main show.
Celebrity Big Brother, C5, 9pm
Rumoured lineup for Celebrity Big Brother: