Lucy Spraggan flaunts her washboard abs and slams 'life threatening fad diets'

She's a fitness fanatic who is vocal about body positivity on her social media pages.

And Lucy Spraggan has shared before and after comparison shots on her Instagram account on Sunday while reflecting on her fitness journey, which has seen her drop three dress sizes.

The former X Factor star, 29, could be seen in the first snap, taken in 2018, posing in a green sports bra and black Nike leggings while she took a mirror selfie to document her progress.

Looking back: Lucy Spraggan has shared before and after shots on her Instagram on Sunday while reflecting on her fitness journey, which has seen her drop three dress sizes

Looking back: Lucy Spraggan has shared before and after shots on her Instagram on Sunday while reflecting on her fitness journey, which has seen her drop three dress sizes

Insurance Loans Mortgage Attorney Credit Lawyer

The second picture saw her lifting up her white t-shirt to reveal her washboard abs and muscular frame as she smiled at the camera for the selfie.

In a caption alongside her snaps, Lucy revealed she had already lost 'quite a bit of body fat' in 2018 due to fad diets, which she slammed as 'experimental, inconsistent' and 'actually life threatening'.

The singer went on to candidly speak about the 'slog' of her 'exhausting' fitness journey, revealing that one of the 'hardest parts' was waiting for the 'slow and tiny' changes.

She explained: 'Found the pic on the left whilst scrolling through some old photos and it gave me some feelings! Good ones!

Fads: In a caption, Lucy revealed she had already lost 'quite a bit of body fat' in 2018 due to fad diets, which she slammed as 'experimental, inconsistent' and 'actually life threatening'

Fads: In a caption, Lucy revealed she had already lost 'quite a bit of body fat' in 2018 due to fad diets, which she slammed as 'experimental, inconsistent' and 'actually life threatening'

'I'd already started my journey to a different body composition here but I didn't really know it.

'I'd already lost quite a bit of body fat (left picture is from 2018) through various experimental and inconsistent (one actually life threatening! ☠️) FAD diets and I was noticing really small changes that I don't think anyone else would have been able to see.

'And that is one of the hardest parts of working hard = tiny, weeny, subtle changes.

'When I look at the left picture in contrast to the right I can SEE the change, it's a huge reward to know that I did that, it feels great!

Insurance Loans Mortgage Attorney Credit Lawyer

'But on almost every other part of this slog it's been

read more from dailymail.....

NEXT Richard Wilkins vows to cut down on the booze in 2021