Amber Josephine Liu (traditional Chinese: 劉逸雲; simplified Chinese: 刘逸云; pinyin: Liú Yìyún; Cantonese Yale: Làuh Yahtwàhn; born September 18, 1992), better known mononymously as Amber, is a Taiwanese American singer active inSouth Korea. She is of Taiwanese descent. Her parents are from Tainan City, Taiwan. She is a member of SM Entertainment's quintet pop girl group f(x). Aside from her rapping skills, she is also known as the girl with a boyish image, different from the usual sweet and girly image of other Korean girl groups.