As of 2006, Sweety has released three studio albums and two soundtracks. The duo was formed in 2003 when Esther and Joanne were only 14 years old.
Both members of the band are also actresses. Esther Liu and Joanne Tseng starred as the lead actresses in, respectively, ''Green Forest, My Home'' and ''The Magicians of Love'' , both television dramas.
2003 - Esther
Top on the Forbidden City 2004 - Joanne
Xian Jian Qi Xia Zhuan aka. 2004 - Esther & Joanne as guest-star
Mr. Fighting 2005 - Joanne and Esther
Green Forest, My Home 2005 - Esther
The Magicians of Love 2006 - Joanne
Mean Girl Ah Chu 2007 - Joanne
The Sun's Daughter 2007 - Joanne as guest-star
Liao Zhai 2 - Fen Die 2007 - Esther
Dreams Link 2007 - Joanne
Ai Qing, Liang Hao San Huai 2007 - Joanne