Madeline Holtznagel shows off her incredible abs in a crop top

She may not be as famous as her reality star and model sister Simone.

But Madeline Holtznagel stole the spotlight from her older sibling on Wednesday evening as she attended Australian Fashion Week.

The glamorous 24-year-old, who is also a model, showed off her incredible abs in a blue cropped denim shirt with matching trousers.

Top of the crops! Justin Hemmes’ younger girlfriend Madeline Holtznagel showed off her incredible at Australian Fashion Week on Wednesday evening 

She teamed the edgy outfit with a pair of leather combat boots and a Chanel handbag.

Meanwhile, former I’m A Celebrity… Get Me Out Of Here! star Simone went for a more demure look.

The blonde bombshell covered up her curves in velvet trousers and a cream knitted top.

Sister act! Madeline attended the event with her sister Simone 

Demure: Meanwhile, former I’m A Celebrity… Get Me Out Of Here! star Simone went for a more demure look. The blonde bombshell covered up her curves in velvet trousers and a cream knitted top

She also toted a designer handbag – an sand-coloured Saint Laurent leather handbag.

Madeline has been dating billionaire pub baron Justine for some time and she also spent lockdown at his Vaucluse mansion last year.

She now reportedly lives in a Coogee penthouse that he owns.

The couple have been spotted out and about in Sydney several times lately, after confirming their romance.

In the spotlight: Madeline, right, has been dating billionaire pub baron Justine for some time and she also spent lockdown at his Vaucluse mansion last year

Madeline lifted the lid on their relationship in October last year, telling The Sydney Morning Herald she was yet to introduce Justin to her parents.

‘My parents and my sister Anna haven’t met him yet, but [her other sister] Simone has been introduced to him and really liked him,’ she said.

Madeline remained tight-lipped about how long she and Justin had been dating, but hinted they’d been seeing each other for longer than report

Going public: She now reportedly lives in a Coogee penthouse that he owns and the couple have been spotted out and about in Sydney several times lately, after confirming their romance