The model took to Instagram to share videos of her long locks being cut off, before hitting the blue carpet with her husband, Buddy Franklin, to show off the final do: a platinum blonde bob.
The 26-year-old wore an off-the-shoulder Camilla and Marc crop with high-waisted Bianca Spender pants and white heels. She accessorised with a chunky silver necklace and a Fendi bag.
Sydney's A-list spent the evening on Sydney's Harbour, celebrating the launch of Tiffany's new artisanal fragrance.
To see all of the best dressed from the night, head here.