Gemma Collins strips off to submerge herself in cryotherapy chamber with ...

She's lost an impressive three stone through a committed workout routine and healthy diet.

And Gemma Collins proved just how dedicated she is to her weight loss regime on Sunday, when she submerged herself in a cryotherapy chamber while completely naked.

As the temperature plummeted to -188°F, Gemma, 40, told her fans in a clip shared on Instagram: 'Omg I'm back on the machine guys. I'm minus 188 at the minute.'

Chilly: Gemma Collins, 40, proved just how dedicated she is to her weight loss regime on Sunday, when she submerged herself naked in a cryotherapy chamber

Chilly: Gemma Collins, 40, proved just how dedicated she is to her weight loss regime on Sunday, when she submerged herself naked in a cryotherapy chamber

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Fighting fit: Gemma has lost an impressive three stone through a committed workout routine and healthy diet

Fighting fit: Gemma has lost an impressive three stone through a committed workout routine and healthy diet 

The TOWIE star even revealed the hilarious way she was able to stay motivated enough to brave the chamber's sub-zero temperatures.

'I'm just picturing myself on the beach with Jason Derulo in a bikini,' she joked.

Posting a second clip, Gemma exclaimed: 'I've got 24 seconds to go!' as a friend filmed a countdown on their phone. 

Gemma captioned her post: 'YES IM NAKED MINUS !!! 180 !!!!! SUNDAY HEALTH HEALING MY BODY !! @icehealthcryo_spa HALLA is the best at burning the FAT in her CRYO MACHINE!!! followed by her LYMPHATIC DRAINING MACHINE!! This lady is A GODDESS!! HALLA I LOVE YOU. [sic]' 

Funny: The TOWIE star revealed the way she was able to stay motivated enough to brave the chambers sub-zero temperatures, 'I'm just picturing myself on the beach with Jason Derulo'

Funny: The TOWIE star revealed the way she was able to stay motivated enough to brave the chambers sub-zero temperatures, 'I'm just picturing myself on the beach with Jason Derulo'

Cryotherapy is a restorative and therapeutic treatment used for managing pain, smoothing skin and encouraging weight loss. 

The term comes from the Greek language, which translates to 'cold cure'.

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These icy techniques have been around for ages, dating back to the 17th

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