On August 23rd, female vocal group 'BGH to' revealed their new track,�"Smoothie". "Smoothie", the group's first dance track, tells the story of a girl who's fallen in love, and is shyly confessing her feelings. For this single, they revealed that Hong Si Ae (age 17 in Korea) was recruited as a guest member. The music video exudes a bright, happy atmosphere that's accompanied by the girls' refreshing song and simple choreography. Check it out below! Source & Photo: DongA Daily�via Nate