Isabelle Mathers

Isabelle Mathers is an Australian fashion model, digital creator, and social media personality best known for her work in swimwear, beauty, and activewear campaigns. Raised on the Gold Coast in Queensland, Mathers earned widespread recognition by combining digital content creation with commercial modeling. Represented by major talent agencies including IMG Models and Saint Model Management, she has become one of Australia’s top digital-era fashion models.

Early Life and Background

Born on March 3, 1999, in Queensland, Australia, Isabelle Mathers grew up on the Gold Coast, where the coastal lifestyle fostered her affinity for fitness and beach fashion. She grew up alongside her older sister, Olivia Mathers, who is also a recognized model and influencer. Isabelle began posting lifestyle and fashion photographs on Instagram in 2014. As commercial apparel brands began sharing her images, her following grew rapidly, leading to formal modeling opportunities during her late teenage years.

Modeling Career

Mathers transitioned into full-time modeling after signing with agencies such as Que Models, Saint Model Management, and IMG Models. Throughout her career, she has fronted campaigns for numerous swimwear, beauty, and apparel brands, including Fashion Nova, PrettyLittleThing, CSB, ALT Swim, and Skims. In addition to commercial campaign work, Mathers has landed magazine cover features, such as New Zealand's Remix magazine, and starred in nationwide beauty campaigns across Australia and New Zealand.

Ventures and Collaborations

Leveraging her platform, Mathers has expanded into product design and fitness ventures. She collaborated with the fitness label CSB to release activewear lines and partnered with Base Camp Beauty to develop a custom lip product collection. Grounded in her passion for wellness, she has also shared fitness training programs with her followers. Mathers maintains an active digital presence, producing lifestyle, travel, and beauty content for millions of online supporters.

Personal Life

Based in Queensland, Australia, Mathers balances her international modeling projects with her personal life on the Gold Coast. In August 2024, she announced her engagement to her longtime partner, Harri Musumeci, following a relationship of nearly ten years. She remains focused on fitness, travel, and personal branding while continuing to expand her career in commercial modeling.