Roy Li Fey Huei, more commonly or affectionally known as Li Fei Hui, is a singer from Singapore. He was dubbed as one of Singapore's brightest exports in Taiwan's music industry, back in the early 1990s. For the past two decades, besides penning his own songs and producing his own albums, the musician has also been actively involved in writing and producing hit songs for many popular artistes of the region, such as Andy Lau, Jeff Chang, Jacky Cheung, Kelly Poon, Tanya Chua, A-do, etc. Currently, he is pre-occupied with the training of aspiring artistes and musical talents in his newly established music school – Imagine Music. He is also specially hand-picked by MediaCorp to participate as one of the judges in the judging panel of Singapore's biggest reality Chinese singing competitions – Project Superstar & Campus SuperStar. In 2015, he acted and sung 《等你等到我心痛》 for Channel 8 drama 118.

Campus SuperStar is a Singaporean reality television singing competition to find new singing talent, contested by aspiring singers drawn from public auditions. The show began on 2 January 2006 and is broadcast on MediaCorp Channel U. It is a spin-off of Project SuperStar, and contestants comprise students from secondary schools, junior colleges and institutes of technical education.