Butterfly (Chinese: 花蝴蝶) is the tenth studio album by Taiwanese singer Jolin Tsai. It was released on March 27, 2009, by Warner and Mars. Tsai worked on the album with various producers, including Adia, Paul Lee, Peter Lee, and Paula Ma. It was poorly received by music critics, who commented that the tracks were popular but lacked surprise, sincerity, and breakthrough.