Kim Kardashian revealed her natural hair on TikTok after years of hiding it beneath multiple colour changes and extensions.

The mother-of-four was caught on camera by her eldest daughter North West as the pair filmed a lip-sync video for their joint account on the platform. 

Both dressed in pyjama sets, the mother-daughter duo playfully sang down the phone lens to the tune of Baby It’s Cold Outside on Christmas Eve.

In the video footage, the Skims founder sported a relaxed, make-up-free look as she lounged at home.

Known for regularly changing up her hairdo, fans were shocked to see the star rocking a short look that appeared to be au-natural. 

The 42-year-old’s shoulder-length tresses were very different to her regularly styled mane, and looked thinner and drier than usual. 

Kim showed off her natural hair on Christmas Eve (Picture: TikTok/kimandnorth)

The star’s fans noticed her looks appeared damaged and tired (Picture: TikTok/kimandnorth)

The reality star’s wet hair seemed to be suffering damage from years of dying, heating and tapping in extensions. 

Eagle-eyed fans were quick to react to Kim’s latest look, with many commenting on the wear and tear of continuous styling. 

‘She literally had the most beautiful silky black hair ever,’ one penned.

Another wrote: ‘Kimberly’s hair must be tired bc of the bleaching’. 

Perhaps her most dramatic change, the business owner died her hair bleach blonde in a matter of hours last year, ahead of the Met Gala. 

The footage appeared on the mother-daughter TikTok account Kim shares with North (Picture: Tik Tok)

Kim has gone back to brunette for the new year as she updated her followers with a selfie online (Picture: Instagram)

The new do was in aid of her Marilyn Monroe inspired look – which Kim famously donned an original dress from the Hollywood icon’s wardrobe to complete. 

Following the famous red carpet appearance, she spoke to Vogue about her hair dilemma: ‘I did want a physical change, too, so I thought I would wait and do it for this, so I’m spending a day straight dyeing my hair — 14 hours straight! — to get it done.’

With a new year came a new colour for the star as she debuted her latest dark ‘do on Instagram on Monday.

She wore a fluffy black tracksuit and styled her hair in her long signature waves that fans were well used to seeing. 

Alongside a series of pouting selfies, Kim added the caption: ‘2023’.

Metro.co.uk contacted Kim’s reps for comment. 

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Kim’s hairy dilemma.