|Pinyin||Xú Xīyuàn (Mandarin)|
|Born||October 6, 1976
|Other name(s)||大S (pinyin: dà S)|
|Occupation||Actress, Singer, Host|
Barbie Hsu (Chinese: 徐熙媛; pinyin: Xú Xīyuàn; Wade-Giles: Hsü Hsi-yüan; (born October 6, 1976) also known as Dà S (大S) to fans) is a Taiwanese actress and singer. She is most well known for her role in Taiwanese dramas, especially Meteor Garden, a Japanese manga adaptation that propelled her to fame. She also acted in movies, her first being the Chinese movie The Ghost Inside. Barbie has also appeared in the Taiwanese series Mars with Vic Zhou. Barbie also had a singing career prior to her acting career. She was in a duo group called "S.O.S." (Sisters of Shu) with her sister Dee Hsu. Their last album was called Abnormal Girls. Due to the nature of the term S.O.S, they changed their group name to ASOS (A Sisters of Shu).
Barbie Hsu has endorsed Tissot watches since 2005 and signed an additional 3-year contract in April 2008.