On December 19, 2013, JYP Entertainment announced that they would create a new girl group in the first half of 2014, the first all girl group to come out of the company since Miss A in 2010. On February 27, 2014, JYP trainees Lena and Cecila were confirmed as members of the group called 6mix, while other rumored members included Nayeon, Jeongyeon, Jihyo and Minyoung. The group was eventually cancelled when Lena and Cecilia left the company.