Simplify the following text for a Grade 9 native English-speaking person.
Original: Ayumi Hamasaki ( Japanese : æ å ã ã ã Hamasaki Ayumi ) born October 2 , 1978 is a Japanese singer , song-writer , and former actress .
Simplified: Ayumi Hamasaki ; born October 2 , 1978 -RCB- -RCB- is a Japanese singer-songwriter and former actress .