Butterfly (Chinese: 花蝴蝶) is the tenth studio album by Taiwanese singer Jolin Tsai (Chinese: 蔡依林). It was released on March 27, 2009, by Warner Music Taiwan. The anticipated follow-up to her 2007 studio album Agent J was her first record after signing with Warner in December 2008. In March 2009, the music video of the lead single, "Real Man", premiered on the Asia's largest LED-screen of the time in Beijing. Always reinventing the visual style of her music, Tsai employed some stunning ballet routines in the music video of the titular dance anthem, "Butterfly". Although critics reacted negatively and commented the album a "confusing patchwork", the album was a commercial success. The album has sold more than 1 million copies sold in Asia, with more than 190,000 copies sold in Taiwan alone, and became the best-selling album of the year in Taiwan. The title track, "Butterfly", reached number 10 on the Hit FM Annual Top 100 Singles. The lead single, "Real Man", reached number 25 on the chart.

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