Glamorous socialites descend on Narooma Beach to celebrate Madeline Holtznagel's western-themed 30th birthday bash

Madeline Holtznagel flashes blinding diamond ring as she smooches billionaire boyfriend Justin Hemmes at ladies' luncheon in Sydney amid engagement rumours

Billionaire Justin Hemmes seen riding an e-bike with his partner Madeline Holtznagel and their one-year-old son all without helmets in Byron Bay

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