Rebel Wilson has been on a health and fitness journey since January.
And the comedian, 40, revealed on Sunday that she was just 6.5lbs or three kilograms away from reaching her goal weight of 165lbs / 75kg (11.8st).
She shared her exact weight in a celebratory Instagram post, after finishing a morning hike in Los Angeles.
'Happy Sunday everyone! Gearing up for a great week ahead,' she began.
'This week was super busy but I got up super early three times (6am) and went on a hike... even did a couple of 100m sprints to get the heart rate even higher - although my "sprint" is probably someone else's "slow jog".
'But I felt proud of myself and [am] now only 3kg away from my goal weight!'
Given that Rebel's goal weight is 75kg, this means her current weight as of Sunday is 78kg (12.3st or 172lbs).
In the accompanying photo, Rebel posed in activewear with her hands on her hips while looking out over the LA skyline.
Her Sydney-based personal trainer, Jono Castano, commented below the post: 'Amazing boss! You got this.'
Also on Sunday, Rebel shared several throwback photos from her recent trip to Monaco with her new boyfriend, Jacob Busch.
In the pictures, she modelled a low-cut pink gown with elaborate, rose-inspired sleeves while standing on the balcony of her hotel suite.
She then tucked into a fancy-looking dessert and reminded her followers in the caption that 'you still gotta treat yourself'.
'Remember though girls, you still gotta treat yourself,' the Bridesmaids star wrote.
'I just do it with food now only once or twice a week... and substitute bubble baths on alternate nights.'
According to People magazine, Rebel's weight loss transformation is partially down to following the Mayr Method diet plan.
'It's an approach that eliminates food intolerances, reduces sugar, encourages eating whole foods slowly, boosts the immune system and reduces inflammation,' a source said.
As for exercise, during a typical week, Rebel does a combination of HIIT workouts, mobility, weights and resistance, and has just one day per week of rest.
It comes after Rebel and Jacob, 29, made their red carpet debut at the Planetary Health Gala in Monte Carlo, Monaco, on September 24.
Jacob's family founded the Anheuser-Busch brewery, which produces America's most popular beer, Budweiser.
In 2016, Forbes listed the Busch family as the 16th richest in America, with a fortune of $13.4billion.
The pair's 11-year age gap shouldn't be a problem for Jacob, who previously dated Real Housewives of Beverly Hills star Adrienne Maloof, 59.
