Barbie “Da S” Hsu is a Chinese actress, TV host, and singer from Taiwan. When she and her sister formed a popular singing duo SOS, Barbie was nicknamed Da S (Big S) for being the older sister, and her sister was Xiao S (Little S) as the younger sister. They also co-hosted TV shows such as the popular Entertainment 100%, an entertainment news show.

Having already achieved prominence, Barbie's fame rose to stellar level with her starring role in an idol- drama series, Meteor Garden (2001), based on the famous Japanese manga story, Hana Yori Dango (Boys Over Flowers). Meteor Garden became extremely popular not just in Taiwan but also in other Asian countries, and propelled the careers of the young actors who starred in the drama series.

Barbie continued with roles in TV dramas as well as movies. Some of her other dramas included Meteor Garden II (2002), Mars (2004), and Summer's Desire (2010). Notable movies are Connected (2008), Adventure of the King (2010), Hot Summer Days (2010), and Million Dollar Crocodiler (2012).

Aside from many song albums released with her sister, Barbie has also sung for dramas such as Mars (2004) and Summer's Desire (2010). She has also published books on beauty secrets. In 2012, she married a Chinese entrepreneur after a whirlwind romance. She was listed number 89 in TC Candler's list of "The 100 Most Beautiful Faces of 2012".