Sistar is sexy, cute and full of energy in the first teaser video for 'Showtime' Season 4

The first teaser video for MBC Every1's 'Showtime' Season 4 featuring Sistar has been revealed.

The video discloses 'limitless' charms of the girls, from being sexy while posing like professional models to being cute and energetic as each of them was showing various poses for the camera.

Sistar's 'Showtime' will be coming out in January 2015.