CELEBRITY Big Brother’s sexiest housemate Bianca Gascoigne is hiding a secret boyfriend.

The model is still loved-up with her cage fighter hunk CJ Meeks – despite telling producers and viewers she's newly-single to boost her chances of landing a spot on the show.

4 Bianca Gascoigne is loved-up with cage fighter CJ Meeks Credit: PA:Press Association

Her true relationship status will be a disappointment to fans hoping to see Bianca, 29, rekindle her flame with ex-boyfriend Calum Best in the house 10 years after they first got together on Celebrity Love Island.

A source said: “Bianca has gone into the house pretending to be single.

“Producers and viewers want to see hook-ups and love dramas and she didn’t want the fact she’s in a happy relationship putting them off.

“Already her reuniting with Calum is a huge talking point, so her tactic is paying off – but she was still dating CJ and taking him to showbiz bashes all about London right until she left to do the show.”

4 Bianca and CJ have been keeping their love under wraps Credit: GOTCHAIMAGES.COM

Bianca has been dating professional MMC fighter CJ Meeks since Spring last year.

The pair went public when she supported him ringside at London’s O2 Arena in July.

Posting to her Twitter before the match took place, Bianca showed her support for her boxing beau.

Captioning the match’s promotional poster she said: "Tonight’s the big night!! my @official_meeks is fighting at the O2! Love you good luck not that you need it."

4 Bianca has been dating the cage fighter since spring last year Credit: Palace Lee

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Paul Gascoigne’s former stepdaughter Bianca found fame in her own right after winning Love Island in 2006 before going on to become the manager of London strip-club, Gaslight.

On Tuesday Bianca and Calum were seen enjoying a cigarette together in the CBB living room – days after he admitted he would be open to a house romance.

4 Bianca Gascoigne and Calum Best first met on Celebrity Love Island in 2006 Credit: Rex Features

He told The Sun: “If I found the right girl, without a doubt.

“When you’re in a confined space for a long time and you meet someone a connection can grow even quicker but I will not be banging in the toilets.”

Producers were also keen to get Bianca on board in the hope she will open up about her step-father’s battle with alcohol.

Last week, The Sun on Sunday revealed that Paul Gascoigne met up with Bianca after he had his “first mouthful of booze for ages”.

The former footballer could be seen being comforted by Bianca outside a hotel in Kensington, West London.

Her other brief television appearances include episodes of Come Dine With Me, Celebrity Coach Trip and Snog Marry Avoid.