Rebel Wilson shows off her taut abs in crop-top after 18kg weight loss

She has dropped 18kg since embarking on a health kick earlier this year. 

And Rebel Wilson looked incredible as she went for a sunkissed hike in a crop-top on Tuesday.

The actress, 40, displayed her taut abs and cleavage in a black crop-top as she posed for a scenic shot in the hills, with sun beaming down on her.

Wow: Rebel Wilson looked incredible as she went for a sunkissed hike in a crop-top on Tuesday

Wow: Rebel Wilson looked incredible as she went for a sunkissed hike in a crop-top on Tuesday

The Bridesmaids star also drew the eye to her trim legs in high-waisted black leggings.

Her blonde locks were pulled into a chic updo, held back by her headphones, while she appeared to go make-up free.

Rebel shared an empowering message alongside the photo, where she revealed exercise had helped her combat a 'bad day.' 

She wrote: 'Started off having a bad day but took myself on a giant walk, listening to some motivational podcasts & audiobooks out in gorgeous nature...drank water...and you know what feel soooo much better now. 

Message: Rebel shared an empowering message alongside the photo, where she revealed exercise had helped her combat a 'bad day'

Message: Rebel shared an empowering message alongside the photo, where she revealed exercise had helped her combat a 'bad day'

'We all have tough days but take a beat, take a nap and then get back out there and continue to crush.

In a new interview with People magazine, Rebel admitted to scoffing 3000 calories daily before embarking on her new diet.

'Before I was probably eating 3,000 calories most days, and because they were normally carbs, I would still be hungry,' the 40-year-old explained.  

The blonde has now switched to a high protein diet instead, which she said was 'challenging' because she wasn't a big meat eater before.

'I eat fish, salmon, and chicken breast,' she explained.  

Rebel revealed that she's tried to make an overall healthy lifestyle change for herself without strictly forbidding herself from indulging from time to time. 

Health journey: In a new interview with People magazine, Rebel admitted to scoffing 3000 calories daily before embarking on her new diet

Health journey: In a new interview with People magazine, Rebel admitted to scoffing 3000 calories daily before embarking on her new diet

'Before I was probably eating 3,000 calories most days, and because they were normally carbs, I would still be hungry,' the star admitted. (Pictured in 2013)

'Before I was probably eating 3,000 calories most days, and because they were normally carbs, I would still be hungry,' the star admitted. (Pictured in 2013)

The actress admitted that she'll still slip-up from time to time and eat fast food, but these days she only eats

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