'[Weight Watchers] has been so great. I haven't obsessed about losing weight, I've just been doing my thang day by day and now seeing and enjoying the results!' she wrote.
'Why does it take a photo to make you see how far you have come?' she added, referencing an older photo
Last month, the 37-year-old announced she has become the latest celebrity ambassador for Weight Watchers, revealing a 3kg weight loss since joining the program in August.
"I love having a womanly figure and I’ll always have curves," Jules said in her official Weight Watchers statement.
"But I also recognise the importance of being at a healthy weight, especially at this important stage of my life."
In an interview with Sydney Confidential, Jules admitted she had gained weight during her time on the Nine reality show.
"I’ve tried a lot of fad diets in the past which have caused my weight to yo-yo for years," Jules said.
"The real difference with WW is that it’s not a short term fix but a holistic lifestyle approach, which is shifting my mindset towards balance rather than restriction."