Chrissie Chau Sau-na (Chinese: 周秀娜; pinyin: Zhōu Xiùnà; Jyutping: Chau1 Sau3-na4; born 22 May 1985) is a Hong Kong actress and model. Chau achieved widespread fame after the release of her gravure photo albums in 2009 and 2010. Her film career began after she starred in the horror film Womb Ghosts (2009); Chau has starred in 20 productions in Hong Kong, China, Taiwan and Malaysia.