Chou Tzu Yu, known mononymously as Tzuyu, is a Taiwanese singer and dancer based in South Korea. She is a member of JYP Entertainment's K-pop girl group, TWICE. She first appeared in the South Korean reality show 'Sixteen' in 2015, during which she was chosen as one of the nine members of TWICE. The group later made its debut in October 2015, with their first extended play, 'The Story Begins' and the single "Like Ooh-Ahh". They were the first Kpop group to reach 100 million views for their debut song.
(Source: Wikipedia)