Sylvia Lai
- Known for
- Acting
- Gender
- Female
- Born
- June 23, 1951
- Age
- 75
- From
- British Hong Kong
Sylvia Lai Sui-Pun, also known by her stage name Sum Sum, is a semi retired Hong Kong singer and actress.
Sylvia Lai Sui-Pun, also known by her stage name Sum Sum, is a semi retired Hong Kong singer and actress.
