Vivian Hsu (Chinese: 徐若瑄; Pinyin: Xú Ruòxuān; Wade-Giles: Hsu Jo-hsuan; Japanese: ビビアン・スー Bibian Sū; born March 19, 1975 in Taichung, Taiwan) is a famous singer, actress, and model who has gained remarkable popularity in several countries of South-East Asia, mainly in Taiwan, Hong Kong and Japan.