Sweety is a Mandopop band from Taiwan, a duo consisting of Esther Liu (Chinese: 劉品言; pinyin: Liú Pǐnyán; colloquially known as 言言 Yan Yan) (born August 8, 1988) and Joanne Tseng (sometimes transliterated as Joanne Zeng or Joanne Zheng; Chinese: 曾之喬; pinyin: Zēng Zhīqiáo; colloquially known as 喬喬 Chiao Chiao) (born November 17, 1988).As of 2006, Sweety has released three studio albums and two soundtracks.