B1A4 celebrates their comeback victories through social media

B1A4's self-produced song 'Sweet Girl' snapped no.1 in music shows namely Show Champion and Mnet countdown. The boys couldn't hide their happiness particularly Gongchan who was crying on stage.

It's a tough week with Beast, Big Bang, APink, and G-Friend included in the top 5 but B1A4 emerged as winner. Congratulations!