SEE ALSO: SISTAR reported to make a comeback this July

We heard earlier that they were gearing up for a comeback this month, and now more details have been revealed by insiders in the industry.

According to an exclusive by OSEN, SISTAR will not work with their go-to producers Brave Brothers and Duble Sidekick this time around and will instead team up with composers Rado and Choi Kyu Sung for their new song.�

With this report, Starship Entertainment also confirmed that the group will be making their return on the 21st with the teaser image you see above. So mark your calendars for their hot comeback!