SISTAR reveals "Alone" album jacket photos

After unveiling the final teaser for SISTAR's comeback, Starship Entertainment has now revealed the album jacket and individual members photos, for their upcoming mini-album "Alone". The girls are wearing leather outfits for the "red pictorial" concept seen in the first teaser photo above. The group is sporting a sexy and provocative image.

Check out the photos, after the jump. SISTAR will make a official comeback with their mini-album "Alone" on April 12th.