Madeline Holtznagel was doing double duty as a busy mum and a dedicated fitness fanatic on Wednesday.
The 29-year-old model showed off her famous figure in black activewear including a fitted top and bike shorts.
She carried her baby son, Jaeger, who she shares with pub billionaire Justin Hemmes, on her way into a Pilates class in 's Bondi.
The blonde, who had on minimal makeup, pulled her hair off her face into a bun and donned a pair of sunglasses.
She also had a $6,600 brown leather purse over her arm, from the luxury designer Miu Miu.
After her class, the beauty strolled barefoot, carrying her white sneakers, before she loaded her belongings and her baby into her car and headed home.
Madeline Holtznagel (pictured) was doing double duty as a busy mum and a dedicated fitness fanatic on Wednesday
The 29-year-old model showed off her famous figure in black activewear including a fitted top and bike shorts
She carried her baby son, Jaeger, who she shares with pub billionaire Justin Hemmes, on her way into a Pilates class in Sydney's Bondi
Justin and Madeline have been
The A-list society couple stepped out at the opening night of the Tropfest short film festival last month with the billionaire publican's two older children.
The 53-year-old brought his daughters, Alexa, nine, and Saachi, seven, who he shares with his ex-partner Kate Fowler.
Madeline announced the arrival of her first child with the hospitality king on Instagram in June 2025 alongside a gallery of sweet photos.
'Jaeger Justin Hemmes. 1.06.25,' she captioned the post.
Madeline had earlier announced the sex of their baby in an interview with Stellar magazine, and said she was thrilled because she wanted a 'new journey' with Justin.
'I always thought I was going to have a boy. I knew I was going to be a boy mum,' she said.
'Justin has two beautiful little girls, so having a boy, it's like a whole new journey together.
The blonde, who had on minimal makeup, pulled her hair off her face into a bun and donned a pair of sunglasses
She also had a $6,600 brown leather purse over her arm, from the luxury designer Miu Miu
Justin and Madeline have been settling into life as a blended family. The A-list society couple stepped out at the opening night of the Tropfest short film festival last month with the billionaire publican's two older children. All pictured
