Luísa Isabella Nolasco da Silva Leong Lok-Yau (Chinese: 梁洛施, born 23 June 1988), better known as Isabella Leong Lok-Sze, is a Macanese-born, Hong Kong-based actress and former singer. Luísa Isabella Nolasco da Silva Leong Lok-Yau (Chinese: 梁洛施, born 23 June 1988), better known as Isabella Leong Lok-Sze, is a Macanese-born, Hong Kong-based actress and former singer.