Modern family! Madeline Holtznagel arrives home from a family trip with billionaire boyfriend Justin Hemmes, his ex-partner Kate Fowler and her boyfriend

Justin Hemmes has treated the two very important women in his life to a fun family getaway in Queenstown, New Zealand. 

The billionaire hospitality magnate, 52, his much younger girlfriend Madeline Holtznagel, 27, and his ex and mother of his two children, Kate Fowler, were seen arriving home in Sydney from the trip on Tuesday. 

They were joined by the former couple’s kids, Alexa and Saachi, and Kate’s boyfriend David Oettlé. 

As the very modern family disembarked Hemmes’ private jet they all said their goodbyes and went their separate ways.

Madeline embraced Kate and her partner David on the tarmac, before joining Justin in their car.

Kate said goodbye to her daughters in a cute display before leaving with David.  

Madeline went makeup-free for the flight and opted for a no-nonsense black tracksuit with a white T-shirt underneath.

The blonde beauty tied her long hair back with a white scrunchie and wore small hoop earrings.

Madeline Holtznagel (far right) was seen arriving home to Sydney from a family trip to Queenstown with her billionaire boyfriend Justin Hemmes, his ex-partner Kate Fowler and her boyfriend David Oettlé, on Tuesday 

The couple both dressed in black for their flight on a private jet, which ferried the very modern family from Queenstown to Sydney

The couple both dressed in black for their flight on a private jet, which ferried the very modern family from Queenstown to Sydney

The couple both dressed in black for their flight on a private jet, which ferried the very modern family from Queenstown to Sydney  

Madeline went makeup-free for the flight and opted for a no-nonsense black tracksuit with a white T-shirt underneath

Madeline went makeup-free for the flight and opted for a no-nonsense black tracksuit with a white T-shirt underneath 

Justin was also dressed in top to toe black as he led the way to their transport outside the terminal. 

While Madeline seems to be getting along with her billionaire boyfriend’s ex, there were rumours she was recently feuding with the ex of her model sister Simone Holtznagel.

The rift between one-time eastern suburbs ‘It couple’ Jono Castano and Simone, 31, took an unexpected turn earlier this year.

Jono, a celebrity personal trainer whose clients include Candice Warner and Rebel Wilson, told Daily Mail Australia at the time he split from Simone nine weeks earlier.

Madeline embraced Kate Fowler (pictured), who was also dressed in all black, and her new partner David Oettlé on the tarmac, before joining Justin in their car

Madeline embraced Kate Fowler (pictured), who was also dressed in all black, and her new partner David Oettlé on the tarmac, before joining Justin in their car

But in the days since the announcement, the 33-year-old owner of Sydney’s trendy Acero gym has now been hit with claims he’s feuding with Simone’s sister Madeline.

Daily Mail Australia understands Jono’s rift with Madeline stems from before he ended things with Simone and was sparked by a ‘disrespectful’ argument.

A source with knowledge of the feud says Jono and Madeline now ‘want nothing to do with one another’.

Kate said goodbye to her daughters in a cute display before leaving with David

Kate said goodbye to her daughters in a cute display before leaving with David 

While Jono and Madeline still follow each other on Instagram, they do not generally like each other’s posts or interact on the social media platform.

The Holtznagel sisters both remained notably silent on Instagram in the days after Jono confirmed his shock split from Simone.

Despite the alleged estrangement, Simone remains on good terms with her sister Madeline and the siblings are frequently seen spending time together.

Jono and Simone are said to have split just weeks after they welcomed their newborn daughter Gia to the world on Easter Sunday. 

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Read more at DailyMail.co.uk