SISTAR's Bora & Soyu Cheers for Hyorin at 'Immortal Song'

SISTAR member Bora and Soyu went to cheer for Hyorin.

SISTAR's official twitter on Tuesday uploaded a photo with a short message, "Hyorin's recording 'Immortal Song' today! We came to cheer for her without telling her...Ah.. Fighting, Hyorin!"

In the photo, SISTAR's Soyu and Bora is hiding behind the wall with only their heads out. Soyu and Bora visited the studio where Hyorin sings for KBS "Immortal Song."

Fans responded saying, "It's so nice to see them," "Who are the beautiful ladies at the back," and "So cute."