We’ve all got annoying little habits that get on our partners’ nerves – but some quirks are far more toe-curling than others.

TV presenter Christine Bleakley shamed her fiance Frank Lampard by revealing on ITV show Play To the Whistle how he bites his toenails and leaves the bits on the floor.

But footballer Frank isn’t the only celebrity with something to be embarrassed about…

Megan Fox forgets to flush the toilet

The Transformers’ actress may be blessed with stunning good looks, but shockingly she admits her domestic hygiene standards aren’t up to much.

Megan, 28, says: “I’m horrible to live with. I don’t clean. My clothes end up wherever I take them off. I forget to flush the toilet.”

Perhaps it’s time to transform your habits, Meg?

Actress Megan Fox appears at the "Jennifer's Body" Hot Topic Fan Event at Hollywood and Highland on September 16, 2009 in Los Angeles, California
Megan Fox

Jessica Simpson neglects her teeth

Dukes of Hazzard star Jessica may have pearly white teeth but they possibly aren’t all that clean.

The 34-year-old mum of two told US chat show host Ellen DeGeneres that she only cleans her gnashers about three times a week. Why? Because she doesn’t like
them to feel “too slippery”.

Instead, she uses mouthwash, floss and sometimes a “shirt or something” to give them a rub.

“I know it’s gross but I always have fresh breath,” she swears.

Singer Jessica Simpson arrives for the 31st Annual People's Choice Awards in Pasadena, California Sunday 9 January 2004
Jessica Simpson

Charlotte Crosby’s bed is a ‘horror film’

Charlotte famously wet the bed after a boozy night in the Celebrity Big Brother house. But, according to her former Geordie Shore co-star Vicky Pattison, it might not have been the first time Charlotte, 24, hasn’t made it to the bathroom.

Vicky claims that Charlotte’s and Holly Hagan’s bed in the Geordie Shore house was “disgusting”.

As well as being spoiled by urine stains, Vicky says there were also half-eaten takeaways and fake tan smudges in there.

She added: “Their bed is one of the worst things I have ever seen. It’s worse than a horror film.”

Geordie Shore star Charlotte Crosby
Charlotte Crosby

Robert Pattinson doesn’t wash his hair

He’s one of the biggest heart-throbs on the planet, but there’s a dirty little secret behind the Twilight star’s signature locks – he doesn’t care for washing his hair.

In fact RPatz, 28, sometimes goes as long as six weeks without a shampoo.

And he’s no domestic god either. He has confessed: “I don’t clean my ­apartment because I don’t care. I have my apartment for sleeping in and I have my hair for just, you know, hanging out on my head. I don’t care if it’s clean or not.”

Actor Robert Pattinson attends "The Rover" photocall and screening with Q & A at the BFI Southbank on August 6, 2014 in London, England
Robert Pattinson

Joey Essex and James Argent are both dirty boys

The TOWIE stars may look like clean-cut lads, but they have some pretty disgusting secret habits between them.

Arg, 27, apparently picks his nose and eats it, while he says Joey “picks his teeth and then smells it”.

Beware any ladies who might still fall for Arg’s charms – Joey, 24, claims his pal has never washed his bed sheets in his life.

The Only Way is Essex's Joey Essex and James Argent at the King Willian IV pub in Chigwell
Joey Essex and James Argent

Cameron Diaz does not wear deodorant

Fans might not want to get too close to Cameron, 42, as she reveals she hasn’t worn deodorant for 20 years.

The There’s Something About Mary star believes it is “really bad for you” and instead advises: “Let it go and just trim your armpit hair so it doesn’t hold on to the scent.” Lovely.

Cameron Diaz arrives for the German premiere of the film 'Sex Tape' at CineStar on September 5, 2014 in Berlin, Germany
Cameron Diaz

Kesha used to drink her own urine

Pop stars like to be in super-fit shape to look their best in music videos.

But Kesha, whose hits include TiK ToK, took her fitness regime perhaps a step too far when she decided to drink her own wee.

The singer, 28, had apparently heard it was good for you and could help with dieting.

What’s more, she even filmed herself guzzling the stuff for her documentary, Kesha: My Crazy Beautiful Life.

Thankfully she’s now given up the habit for good.

Singer Kesha attends the premiere of Disney's "Planes: Fire & Rescue" at the El Capitan Theatre on July 15, 2014 in Hollywood, California
Kesha

Ozzy Osbourne snores, farts and sprinkles

If anyone’s likely to have odd customs, it’s bound to be the Prince of Darkness – just ask that bat whose head he bit off.

Wife Sharon, 62, reveals that Ozzy, 66, snores, farts and sprinkles on the toilet seat. But she doesn’t mind!

She says: “It would annoy me if he was sleeping with a roomful of women. But if he throws food on the floor and he’s messy, it doesn’t bother me. So he’s perfect.”

Ozzy Osbourne at the The Daily Mirror's Pride of Britain Awards 2004, from the Hilton Hotel, Park Lane, London
Ozzy Osbourne

Snooki puts cat litter on her face in beauty routine

The Jersey Shore star has admitted she uses cat litter to exfoliate her face and keep it baby soft.

Nicole “Snooki” Polizzi, 27, told US chat show host Conan O’Brien: “Some exfoliants have rocks in them, and it makes your skin really smooth. Cat litter is like a substitute.”

Although it’s certainly cheaper than an expensive spa treatment, doctors were quick to point out cat litter is full of chemicals and it’s ill-advised to use it that way.

Nicole "Snooki" Polizzi arrives at the 2010 MTV Movie Awards held at the Gibson Amphitheatre at Universal Studios on June 6, 2010 in Universal City, California
Nicole "Snooki" Polizzi

Matthew McConaughey has smelly armpits

Like fragrant Cameron, Oscar-winner Matthew is another Hollywood actor who shuns deodorant.

He even admitted that Kate Hudson, his co-star in Fool’s Gold, was so put off by his bad habit that she brought deodorant to the set and asked him to put it on.

Matthew, 45, revealed at the time: “She brings a salt rock, which is some natural deodorant, and says, ‘Would you please put this on?’ I just never wore it.”

He later added: “Women love my natural scent. I smell like a man. I smell like me.”

Matthew McConaughey during filming of the Graham Norton Show at the London Studios, London
Matthew McConaughey