The pair have been seen getting pretty close on the Channel 5 show and are even set to share a kiss on Saturday night's episode.
In scenes set to air over the weekend, the duo agree to share a cuddle in Chad's bed after admitting their confusion over their feelings for each other.
In the bedroom, Sarah tells Chad: "It’s like I want you, I just don’t know…I’m really confused right now."
Chad then replies: "Come over here for like five minutes for a cuddle. I don’t think cuddling will change anything."
Hesitant, Sarah says: "I don’t want to look like that kind of girl…I love a cuddle, I need a cuddle. I’m just confused."
Sarah then heads to Chad’s bed and the pair share an embrace.
The move comes as Sarah and Chad's housemates share their disapproving views of the budding romance.
Paul later tells the Diary Room: "It’s a guy that has come over from America who has not really done a reccy about the show.
"He’s thinking a little bit bachelorly, there’s a fit girl, she quite likes me, she is also in a big band, that isn’t together anymore and she’s given him loads of attention, and he’s like so what’s wrong with that?!
"He’s not thinking about she’s got a boyfriend, maybe we should actually not go there…she is doing the same."
Evicted housemate Karthik Nagesan recently claimed that Sarah has a "secret boyfriend" outside the house, despite her feelings for Chad.
Celebrity Big Brother continues weeknights on Channel 5 at 9pm.
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