In 2007, Stella represented CHIJ Katong Convent in the second season of Campus SuperStar under the name "Seah Hui Xian", in which she came in third in the female category.
Pada 2007, Seah mewakili CHIJ Katong Convent dalam musim kedua Campus SuperStar dengan nama "Seah Hui Xian", dimana ia meraih peringkat ketiga dalam kategori perempuan.