Kim Greem, from 'Superstar K2', left fans taking a second glance as she opted for a complete change for her comeback!

As the singer has primarily centered her career so far on emphasizing her vocal abilities, this sexy turn in image has fans looking on with wide eyes.�

Her new title track, "Just the Two of Us", is composed by�Cho Young Soo�and written by�Kim Yi Na�and features�2BiC's�Jihwan�and 'Show Me the Money 2's�Kanto.

Check out the song through the MV release above!

SEE ALSO: ILLIT praised for making a significant improvement in recent encore live performance