Drouin began her pageantry career at Miss Thailand Chinese Cosmos 2013, finishing in second place. She was then selected to represent Thailand at Miss Chinese Cosmos Southeast Asia 2013 in Malaysia, where she reached the top eight. After Miss Thailand, Drouin returned to education, with her next contest being
Miss Universe Thailand 2017. There, she was second runner up to
Maria Poonlertlarp, and won the special award, Miss Smile. Drouin then represented Thailand at
Miss Earth 2017, where she reached the top eight. Two years later she competed again and won
Miss Universe Thailand 2019. In the competition, she won the Best Swimsuit, Perfect Poses, Miss Popular Vote awards, and was one of ten contestants awarded the Golden Tiara. Drouin represented Thailand at
Miss Universe 2019 ==Awards and nominations==