It's been quite a long while since we heard about rookie girl group SISTAR making their debut and it looks like they went back to the drawing board to rethink their debut plans. But SISTAR is finally set to make their debut. Ahead of their debut, Starship Entertainment has revealed a set of album jacket photos for SISTAR whose members comprise of Bora, Hyorin, Dasom and Soyou. From the released photos, it looks like they are aiming for the retro concept with their funky look and unique makeup and colorful wigs. The Brave Brothers will be producing their album which is set for release on June 3rd. They will then begin full-fledged promotions in the same week. [gallery]