But the glamour model and Ex On The Beach star, who is now on Celebrity Big Brother, has revealed that the inspiration for her dramatic transformations actually came from Katie Price.
JEMMA Lucy shows off every inch of her body in a seriously sexy new calendar shoot. "She's very fragile right now".
"I think she's really fearless to put herself out there like that as it's a lot of pressure and such an intense environment to be in".
Later she added: "We were like sisters, so of course it was never going to be plain-sailing the whole time, being around girls all the time it's hard sometimes".
Kimberly voiced her concern for Sarah, who has openly spoken about her battle with depression and booze, before praising her stint in the house so far as "great".
Jemma storms off after standing and telling the singer to stop being so negative and Sarah, who was smoking a cigarette, tells Jemma to "sober up".
Sarah explains: 'Everyone's asking that.
"Everyone asks that but we're so busy with our own stuff", said the star.
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Confronting Sarah later in the evening, Jordan says: "I'm confused about what you mean about our positive energy feeling like we're secluding you and Chad..."
MailOnline have contacted Jemma Lucy's rep for comment. I know it's not healthy to be caught up on the way you look and I do have body dysmorphia.
A source told The Sun: "Sarah is not in a great state".
But Sarah keeps her cool and moves the conversation in a different direction. I don't like bringing up the other girls, it's a personal thing.
However, Chantelle later denied any romantic relationship between them insisting: 'We had the last laugh. Being around girls all the time is hard, you know?
Sarah continues: "I feel like there's three different groups of us... obviously you guys have got loads of energy, and then there's us who are, like, in the middle, who've never been around loads of people for a while". "Nothing's for ever. We went through a lot together", she added. Nothing lasts forever. We went though so much.
The former Girls Aloud star is one of the famous faces competing on the series, but has been sparking concern with her often unusual behaviour, including biting her housemate, singer, Amelia Lily on the leg.