Simone Holtznagel is one of Australia’s most popular media personalities.

A model with an international career, Simone has appeared in multiple campaigns for Bras ‘N Things, Peter Alexander, Cotton On and Aqu Blu swimwear, with editorials in Grazia and Cosmopolitan magazines, amongst many others. She was the face of the incredibly popular Honey Birdette featuring in their major advertising campaign.

Simone launched herself on to the Australia media landscape with her appearance in Cycle 7 of Australia’s Next Top Model. Placing a credible third in the competition, Simone used her burgeoning media profile to launch an international modelling career.

In 2013, Simone went to LA to try her luck in the competitive US market. There she secured roles in two music videos, one with Michael Buble and the other with Blake Shelton. She also shot campaigns for Shoe Dazzle and Planet Blue.

Catching the eye of Guess co-founder, Paul Marciano, Simone has gone on to star in numerous campaigns for Guess ranging from accessories, denim and the Marciano brand.

In 2015 Simone was appointed as a Guess Girl, and travelled to Europe to participate in the annual Gumball Rally which is a week-long car rally supported by Guess. That same year she covered the March issue of Men’s Style magazine in Australia and the cover of US Playboy magazine.

In 2018 Simone appeared on Channel TEN's ratings winner, I'm A Celebrity Get Me Out Of Here. Popular with Australian viewers and her campmates, Simone made it to the top 5 on the show, surviving in the jungle for 7 weeks!

Simone is currently working on a digital collaboration that combines her two loves (that's all we can say, it's top secret!).

In 2022 Simone returned to reality TV as a popular contestant on Seven Network’s highly rated SAS: Australia

In April 2024 Simone gave birth to her daughter, Gia...and hasn't stopped smiling since.