She recently revealed she had lost a staggering 23kg in just 15 weeks.
And things are certainly going swimmingly for Casey Donovan this year, with the 29-year-old showing off her incredible weightloss at a Sydney beach recently.
The I’m A Celebrity … Get Me Out Of Here! winner wore a retro black swimsuit, appearing content and carefree as she enjoyed the beach.
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Things are going swimmingly! Casey Donovan shows off her incredible 36kg weight loss as she enjoys a day at the beach in retro black swimsuit. Pictured left in 2013, right in October 2017
Casey looked stylish and chic in a black swimsuit, wearing her red locks back from her face under a trucker cap.
Leaving her towel and clothing by some rocks, the pop singer made her way into a nearby pool for a dip.
On Sunday, Casey revealed to her Instagram followers that she had lost 23 kg in just 15 weeks, taking her weight loss for 2017 up to 36kg.
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Simple: The stylish swimsuit showed off her new curves
![On a health kick: On Sunday, Casey revealed to her Instagram followers that she had lost 23 kg in just 15 weeks, taking her weight loss for 2017 up to 36kg](https://i.dailymail.co.uk/i/pix/2017/12/04/05/46F5715100000578-5142495-On_a_health_kick_On_Sunday_Casey_revealed_to_her_Instagram_follo-a-67_1512364197868.jpg)
On a health kick: On Sunday, Casey revealed to her Instagram followers that she had lost 23 kg in just 15 weeks, taking her weight loss for 2017 up to 36kg
![Beach day! The 29-year-old showing off her weightloss at a Sydney beach in October](https://i.dailymail.co.uk/i/pix/2017/12/04/05/46F56D1900000578-5142495-Beach_day_The_29_year_old_showing_off_her_weightloss_at_a_Sydney-a-70_1512364197970.jpg)
Beach day! The 29-year-old showing off her weightloss at a Sydney beach in October
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Looking good! Casey looked stylish and chic in the black swimsuit, wearing her red locks back from her face under a trucker cap
Sharing before and after comparison photos, Casey wrote that she had managed to change her mindset to weight loss with the help of coaching.
‘When Motivation lacks, I look at how far I’ve come and I don’t ever want to go back to that girl in the white singlet!’ she revealed.
‘Just to feel better in health and be able to run a little longer each week makes me feel so much stronger in the person I am, and how proud I am of myself for coming this far! It’s a long road and I am going to give it all I got!!’
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Going for a swim: Leaving her towel and clothing by some rocks, the pop singer made her way into a nearby pool
![Walks 15,000 steps a day: In November Casey opened up to Woman's Day about the secrets to her amazing weight loss](https://i.dailymail.co.uk/i/pix/2017/12/04/05/46F56A1D00000578-5142495-Walks_15_000_steps_a_day_In_November_Casey_opened_up_to_Woman_s_-a-72_1512364198261.jpg)
Walks 15,000 steps a day: In November Casey opened up to Woman’s Day about the secrets to her amazing weight loss
Casey kick started her weight loss earlier this year when she dropped 17kg during her six weeks on I’m A Celebrity … Get Me Out Of Here!
She was encouraged by her castmates Lisa Curry and Kris Smith, with the hunky male model even offering to train her once they had finished in the jungle.
In November, Casey opened up to Woman’s Day about the secrets to her amazing weight loss.
![](https://i.dailymail.co.uk/i/pix/2017/12/04/05/46F5687100000578-5142495-image-a-73_1512364198305.jpg)
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Started off the year with a bang! Casey kick started her weight loss earlier this year when she dropped 17kg during her six weeks on I’m A Celebrity … Get Me Out Of Here!
!['I could see myself making all the same mistakes and I knew I had to do something': The singer said she finally realised she had to make changes](https://i.dailymail.co.uk/i/pix/2017/12/04/05/46F5684500000578-5142495-_I_could_see_myself_making_all_the_same_mistakes_and_I_knew_I_ha-a-74_1512364198309.jpg)
‘I could see myself making all the same mistakes and I knew I had to do something’: The singer said she finally realised she had to make changes
‘I could see myself making all the same mistakes and I knew I had to do something,’ she explained to the publication.
The singer had ‘swapped a diet of fast food and carb-heavy meals for a high protein diet and started to walk up to 15,000 steps a day’.
‘Everyone has noticed the weight loss and everyone has been really nice about it,’ Casey added.
![Worked hard! Sharing before and after comparison photos, Casey wrote that she had managed to change her mindset to weight loss with the help of coaching](https://i.dailymail.co.uk/i/pix/2017/12/04/05/46F1390200000578-5142495-Worked_hard_Sharing_before_and_after_comparison_photos_Casey_wro-a-77_1512364198395.jpg)
Worked hard! Sharing before and after comparison photos, Casey wrote that she had managed to change her mindset to weight loss with the help of coaching