Reis started modelling at the age of 14. She first came to fame when she won the 1988 Miss Hong Kong Pageant at the age of 18. Reis was also the first Miss Chinese International in the same year. Following her Miss Chinese International crowning, she went on to participate in the Miss World 1988 pageant, where she promoted the image of Hong Kong. She was then supposed to compete in the Miss Universe 1989 pageant but withdrew due to health problems.