She was often spotted nipping to the gym in iconic athleisure outfits prior to her tragic death in 1997.

And now an Australian gym owner has revealed just how dedicated the late Princess Diana was when it came to her fitness.

Cameron Falloon, who trained the Princess of Wales from 1995 to 1996 at a gym in Earl’s Court, London, revealed to Daily Mail Australia what a typical week entailed.

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EXCLUSIVE: An Aussie PT has revealed the training regimen he put the late Princess Diana through at a gym in London for a year back in 1995. Pictured that year

‘She was very dedicated, she was an extremely hard worker. When her schedule allowed between her Royal philanthropic duties, she was doing two to three times a week minimum at the gym,’ Cameron said.

‘She also went for walks and runs. She was very dedicated. But like all people do, she had a love/hate relationship with training.’

Cameron revealed the types of workouts he would put her through were ‘very much resistance and strength-based’ as opposed to cardio.

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Consistent: Cameron Falloon (pictured) told Daily Mail Australia: ‘When her schedule allowed between her Royal philanthropic duties, she was doing two to three times a week minimum at the gym’

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Incredibly lean: Cameron revealed the types of workouts he would put her through were ‘very much resistance and strength-based’ as opposed to cardio

‘Most of what we focused on was that strength and core conditioning and postural work,’ he said.

Cameron is now based back home in Australia and is the founder and joint CEO of BFT (Body Fit Training).

He was previously a strength and conditioning head coach for AFL teams including the Geelong Cats, Western Bulldogs and Port Adelaide Power.

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Active lifestyle: ‘She also went for walks and runs. She was very dedicated. But like all people do, she had a love/hate relationship with training,’ Cameron said

Cameron has personally designed all of the 50-minute workouts at BFT, which tend to be strength and resistance-based.

‘We have a mix of high-intensity and low-intensity days much like athletes do. It’s not always come in and go as hard as you possibly can everyday, because that’s when your body breaks down,’ he said.

‘So we have a variety of progressive programs designed over an eight-week training block,’ Cameron continued, with clients often alternating days of cardiovascular training and resistance training.

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In great shape: ‘Most of what we focused on was that strength and core conditioning and postural work,’ Cameron added