Simone Holtznagel flaunts her astounding 10kg weight loss a she poses for a bikini selfie

Simone Holtznagel looks fitter than ever since she lost an incredible 10kg.

The 29-year-old model flaunted her svelte body on Tuesday as she headed to her personal trainer boyfriend Jono Castaño’s ACERO gym for a morning sauna session.

Taking to Instagram, the blonde bombshell posed in a skimpy black and white bikini while flashing the peace sign in the mirror.

Simone Holtznagel, 29, (pictured) flaunted her staggering 10kg weight loss while posing in a bikini for a sweaty selfie in the sauna on Tuesday morning.

Her trim abdomen and slim legs were on full display, as were her noticeably slimmer arms and toned triceps.

She revealed in the caption that it was her first ‘sauna sweat’ of the year.

Simone debuted her body transformation in August, after slimming down over the course of 10 months with the help of PT Jono.

Simone debuted her body transformation in August, after slimming down over the course of 10 months with the help of her personal trainer boyfriend, Jono Castano. (Pictured on the left before her weight loss and on the right in August after losing 10 kg)

At the time, Jono denied any suggestion that his weight loss was too drastic, telling Daily Mail Australia: ‘The way he got results wasn’t by starving himself; it was through a structured programme.’

Simone ate four meals a day and her diet was “very well balanced, incorporating all of her macronutrients at each meal,” she explained.

The socialite faced backlash after revealing her body transformation, but said she had been ignoring her critics at the time.

Simone ate four meals a day and her diet was “very well balanced, incorporating all of her macronutrients at each meal,” Jono explained. The photo on the left is Simone before losing weight in April 2020 and after losing weight in August 2022

The socialite faced backlash after revealing her body transformation, but said she had been ignoring her critics at the time.

“People have commented that it’s ‘triggering’ and that the ‘before and after’ don’t belong in 2022…” he said. the daily telegraph.

“I thought what we weren’t doing in 2022 was commenting on other people’s bodies,” he added.

Jono and Simone met several years ago when she was one of the trainer’s most high-profile clients.

They initially kept their romance a secret before going public in May when they were spotted kissing at Mimi’s restaurant in Coogee.

Jono was previously in a relationship with fellow STEEL gym owner, Amy Castano.

Jono and Simone met several years ago when she was one of the trainer’s most high-profile clients. They initially kept their romance a secret before going public in May.