Viewers saw Lauren and Frenchy come to blows in last night's dramatic highlights show (31 August).
While housemates were cheering on Audley Harrison and James Jordan in the dome task, Frenchie blasted Lauren: "Shut the f**k up you weak b***h. You never play the game, you always lose everything."
Former TOWIE star Lauren kept her cool, asking: "Why are you swearing at me? That's very, very rude Frenchy. I think you've crossed the line there."
No further comment was made, but after a couple of hours, the pair came to blows in the garden, where former Playboy star Frenchy blasted Lauren for failing the previous week's phobias task.
As the pair continued to talk about the confusion surrounding the phobias task, Lauren said: "Don't ever f***ing talk to me like that again. Don't think I'm the weakest one here, cos I ain't. One minute you're my mate and the next minute you ain't."
Things continued to get heated, with Frenchy telling the surrounding housemates not to get involved in the argument.
But soon enough, Frenchy apologised to Lauren for her earlier outburst. "I apologise, however, I told you what I really thought," she said. "Maybe I didn't use the right words."
Lauren repeated her earlier comment, saying: "Talk to me like s**t one last time and you will never have another chance again. Do you understand?"
Frenchy replied: "I don't need you in my life darling." Lauren then reminded her that the celebrities are only in the house for a short while.
However, things soon appeared to be civil as they both said that everything was "cool" before hugging and going their separate ways.
After the show, Lauren's friend and former co-star Lydia, said: "I love love love my @LaurenGoodger dealt with the situation so well. Kept her cool, you go baby gurl. Love you #TeamLauren #LaurenToWin #CBB."
Harry simply tweeted to his followers: "Go Lauren!!! #CBB."
Elsewhere, Made In Chelsea's Lucy Watson tweeted: "Just watched #CBB from tonight. Fair play to @LaurenGoodger for sticking up for herself."
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Watch the Lauren/Frenchy drama unfold in the video below: