Sunny-side up! Simone Holtznagel shows off her eye-popping cleavage and 10kg weight loss in a tight sunshine-hued dress at Melbourne Cup with beau Jono Castano

By Jade Watkins for Daily Mail Australia

Published: 02:00 GMT, 1 November 2022 | Updated: 02:09 GMT, 1 November 2022

She recently debut her incredible 10kg weight loss.

And Simone Holtznagel showed off her slimmed-down frame and eye-popping cleavage in a bright orange Alex Perry bodycon dress at the Melbourne Cup on Tuesday.

All eyes were on the stunning model as she arrived to The Birdcage on the arm of her hunky PT beau, Jono Castano.

Sunny-side up! Simone Holtznagel showed off her eye-popping cleavage and 10kg weight loss in a tight sunshine-hued dress as she arrived at the Melbourne Cup on Tuesday

Sunny-side up! Simone Holtznagel showed off her eye-popping cleavage and 10kg weight loss in a tight sunshine-hued dress as she arrived at the Melbourne Cup on Tuesday 

The blonde bombshell wore a matching wide-brimmed hat and boosted her already statuesque height with gold strappy heels. 

She accessorised with a large gold vintage ring and matching earrings. 

The 29-year-old wore her blonde hair out in a sleek and straight style and rocked a nude lip and smokey eye for makeup. 

All eyes were on the stunning model as she arrived inside The Birdcage on the arm of her hunky PT beau, Jono Castano

All eyes were on the stunning model as she arrived inside The Birdcage on the arm of her hunky PT beau, Jono Castano

All eyes were on the stunning model as she arrived inside The Birdcage on the arm of her hunky PT beau, Jono Castano 

Simone also put on a dazzling display just days before at Penfolds Derby Day over the weekend. 

She could not wipe the smile off her face as she posed for photos in which she rocked her jaw-dropping physique.

The socialite had guests heads spinning with her chic all-black ensemble comprising of a form-fitting black mesh dress, wide-brimmed hat and slick high heels.

Simone also put on a dazzling display at Penfolds Derby Day over the weekend. She could not wipe the smile off her face as she posed for photos in which she rocked her jaw-dropping physique

Simone also put on a dazzling display at Penfolds Derby Day over the weekend. She could not wipe the smile off her face as she posed for photos in which she rocked her jaw-dropping physique

Simone also put on a dazzling display at Penfolds Derby Day over the weekend. She could not wipe the smile off her face as she posed for photos in which she rocked her jaw-dropping physique 

She added a touch of sophistication to her look with designer sunglasses and statement diamond jewellery.

Simone’s captivating presence and style clearly showed why she is one of Australia’s most in-demand models. 

Meanwhile, Jono cut a dashing figure in a tailored black suit, crisp white shirt and eye-catching dress shoes.

The blonde bombshell could not wipe the smile off her face as she posed for photos in which she rocked her jaw-dropping physique

The blonde bombshell could not wipe the smile off her face as she posed for photos in which she rocked her jaw-dropping physique

The blonde bombshell could not wipe the smile off her face as she posed for photos in which she rocked her jaw-dropping physique 

Simone debuted her body transformation last month, after slimming down over the course of 10 months with the help of her boyfriend.

Jono denied any suggestion her weight loss was too drastic, telling Daily Mail Australia recently: ‘The way she got results wasn’t through starving herself; it was done through a structured program.’

Simone would eat four meals per day and her diet was ‘very well-balanced, incorporating all her macro nutrients in every meal,’ he explained. 

The socialite had guests heads spinning with her chic all-black ensemble comprising of a form-fitting black mesh dress, wide-brimmed hat and slick high heels

The socialite had guests heads spinning with her chic all-black ensemble comprising of a form-fitting black mesh dress, wide-brimmed hat and slick high heels

The socialite had guests heads spinning with her chic all-black ensemble comprising of a form-fitting black mesh dress, wide-brimmed hat and slick high heels

She copped backlash after unveiling her body transformation, but said last month she had been ignoring her critics.

‘People have commented saying it’s “triggering”, and “before and after” don’t belong in 2022…’ she told The Daily Telegraph.

Jono and Simone first met several years ago when she was one of the trainer’s highest profile clients.

Accompanying Simone was her personal trainer beau Jono Castano, who cut a dashing figure in a tailored black suit

Accompanying Simone was her personal trainer beau Jono Castano, who cut a dashing figure in a tailored black suit

Accompanying Simone was her personal trainer beau Jono Castano, who cut a dashing figure in a tailored black suit

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