 Teoh represented Malaysia at global Miss Universe 2018 held in Bangkok, Thailand, but not managed to place in the top 20 semifinalists.Teoh is a fashion model and has walked for fashion shows such as the Mercedes-Benz Fashion Week Kuala Lumpur, Penang Fashion Week 2018, and Sakura Collection 2018 in Japan.In 2019, Teoh was featured in a promotional campaign called "Heritage at the Heart" by Singaporean luxury jade jeweller, Choo Yilin.