Esther Liu is a Taiwanese singer and actress. Born on August 8, 1988, as Liu Pin Yan, she also is known by the nickname Yan Yah. Esther Liu debuted at the age of 14 as part of the duet Sweety with Joanne Zeng. She broke into acting in the 2003 television drama “Westside Story” and has since starred in many other dramas, including “The Concerto” (2009) and “Love for All the Moments” (2013).