TWICE is a nine-member South Korean girl group formed by JYP Entertainment through the 2015 reality show SIXTEEN. The group is composed of: Nayeon, Jeongyeon, Momo, Sana, Jihyo, Mina, Dahyun, Chaeyoung and Tzuyu. TWICE debuted on October 20, 2015, with the mini-album The Story Begins. In 2016, they released two mini-albums, Page Two and TWICEcoaster : LANE 1.