9. Alan Tam, 64
Fans of Cantopop will definitely recognise the name – Alan Tam is a true legend of the Hong Kong entertainment scene.
Tam, who is also an actor, has over a hundred albums to his name and is best known for his romantic ballads such as Half Dazed, Half Awoken and Love In Autumn.
Perhaps more surprising is that Tam attended Ngee Ann Polytechnic, then-known as Ngee Ann Technical College.
10. Hady Mirza, 34
Hady Mirza won the second season of local reality show Singapore Idol in 2006, and went on the following year to win Asian Idol, the contest which pit idol winners in the region.
These achievements set the stage for his career in entertainment, where he has released two albums and won various music industry awards .
Known for his smooth R&B voice, Mirza has recently stepped back from the spotlight focus on FRHM Youth, an organisation that promotes Muslim education and way of life among youths.
The soulful crooner graduated from Temasek Polytechnic in 2000 with a diploma in Product Engineering.