 Couling started her modeling career in a Seven Up advertisement when she was 13.While attending boarding school and university in the UK, she worked with Storm modeling agency in London landing ads for L'Oreal UK and many fashion spreads and throngs of photographers from Thai magazines flew to the UK to snap her until she graduated.Once back in Asia she settled into a supermodel role, she has been the face of beauty products over Asia, like L'Oreal Asia, Olay Asia, Nivea Visage, Eucerin, 1st Asian Ambassador for Rado watches, Clairol Worldwide and plenty more.