The reality TV show is set to begin on January 3 2017.
And already there’s been plenty of speculation as to which famous faces will be heading into the house.
The Channel 5 show has been teasing fans about who will take part, and they’ve recently dropped another hint.
In a 19 second clip posted on their website, the fourth housemate is teased and according to Big Brother, they ought to cause plenty of trouble.
Celebrity Big Brother: The fourth housemate promises to leave ‘a trail of disaster’ in their wake [Channel 5]
Celebrity Big Brother: Emma Willis and Rylan Clark-Neal will be back to host the show in early January [Channel 5]
The video shows the silhouette of a women who poses up a storm as she shows off her shapely figure.
And by the sounds of it, she’s set to shake up the house big time.
The mystery lady declares: “I’m definitely not a wallflower.”
She adds: “I don’t fade into the background. I’m strong.
Celebrity Big Brother: The latest mystery housemate says that they are ‘feisty’ and ‘opinionated’ [Channel 5]
Celebrity Big Brother have teased the fourth housemate [Channel 5]
“I’m opinionated. I’m feisty.”
She then continues: “Wherever I go there’s a whirlwind and it leads to a trail of disaster.”
Although her image was disguised and her voice distorted, fans seem to think that the mystery housemate is Nicola McLean.
The blonde beauty’s name has been among the rumours for a while now, and judging by her past CBB performance, fans would certainly be entertained if she were to go in the house.
Viewers have speculated that Nicola McLean is the mystery woman [Getty ]
Other stars that fans speculated the mystery housemate could be was Jodie Marsh and Katie Price.
The clip comes just days after the show, fronted by Emma Willis and Rylan Clark-Neal, teased the third housemate.
Speaking in the clip, the mystery person says: “I’d like to get into that house and if my gut instinct tells me somebody is fake, or if they f**k me off, I’m definitely going to tell them.
“I think it might be house from hell. Watch this space.”
Natalie Rowe is rumoured to be heading back into the house [Channel 5]
Viewers took to Twitter over who they thought might be entering the house, with many speculating Natalie Rowe was the person in the video.
Natalie appeared in the last series of civilian Big Brother UK and came to blows with a couple of housemates.
The outspoken housemate might not be eligible for the series as she has not appeared in the celebrity version.
On the official Big Brother Twitter, they teased: “Yikes! This mystery #CBB housemate isn’t afraid of conflict… Can you guess who they might be?”