Madeline Holtznagel sparks engagement rumours with Justin Hemmes after flaunting massive diamond ring

Justin Hemmes embraces full dad mode as he shares rare PDA with model girlfriend Madeline Holtznagel and son Jaegar outside his Vaucluse mansion

Aussie billionaire Justin Hemmes spends $19 million on new Merivale venue - as he makes plans to expand across the Sydney CBD

Madeline Holtznagel cuts a relaxed figure on Mother's Day in Double Bay as the model mum steps out with her baby son