The latest series is to have a 'twisted fairytale' theme, while the brand new house was unveiled in a series of pictures last week.
Emma Willis will return as host of the series, while Rylan Clark will continue to present Bit on the Side, reported Digital Spy.
The clip features a voice-over from Willis, saying: "When the sun goes into hiding, the stars shine in all their glory. This is where we start out story. From charming prince to wicked witch they roamed free, but soon they'll all be here with me.
Keith Chegwin, Danniella Westbrook and Calum Best are among the stars linked to the reality series.
'Celebrity Big Brother' returns for its winter edition on Wednesday, January 7.