FIESTAR (피에스타) is a 6 member girl group under LOEN Entertainment. Their members are Jei (재이), Linzy (린지), Yezi (예지), Cheska (체스카), Hyemi (혜미), and Cao Lu (차오루). The girls have trained for an average of four years; two years since the formation of the group. They recently released a song & music video with their label-mate, IU, titled ‘달빛바다 (Sea of Moonlight)’ and later released a pre-debut single titled 'Wicked' featuring Tiger JK. They released their first single, Vista, on August 31, 2012.