Barbie Hsu, better known as "Da S" which means "Big S," caught the flu when she visited Japan with her family during the Lunar New Year, according to her sister.

The Taiwanese star was known by her fans as ‘Big S.’ Learn more about her life, career and untimely death here.

The sudden death of popular Taiwanese actress-host Barbie Hsu on Sunday (Feb 2) came as a shock to many. At just 48 years old, the mother of two had died of pneumonia — an infection causing inflammation of the lung or lungs — which had reportedly developed from a flu while recently holidaying in Japan.