Justin Hemmes' model girlfriend Madeline Holtznagel had a fantastic view of the men's singles final at the Australian Open on Sunday.

The 26-year-old joined her billionaire pub baron beau, 50, to watch Novak Djokovic's straight-sets victory over Stefanos Tsitsipas at Melbourne Park.

Madeline wore a grey collared crop top that drew attention to her toned tummy. 

She drew attention to her natural beauty by opting for minimal makeup and pulling her long blonde hair into a no-fuss ponytail

Justin, the businessman behind the Merivale hospitality empire, kept things casual in a black shirt. 

The couple appeared to be in a good mood as they watched Djokovic win the title. 

Madeline and Justin have been dating for several years now. She even spent lockdown at his Vaucluse mansion in 2020.  

She now reportedly lives in a Coogee penthouse he owns.

While they used to prefer to keep things low-key, the couple are now fixtures of Sydney's social scene.

Madeline recently wished her publican boyfriend a happy 50th birthday, telling Justin she 'adores' him in an Instagram post.  

She shared a gallery of nine photos from the pair's exotic travels across the world, including days at the beach, journeys on private jets, and camping in the woods.

Justin made his debut on the Australian Financial Review's annual Rich List in 2018, with an estimated net worth of $951million.