SEE ALSO: 'Knowing Brothers' reveals teaser for next week's episode featuring Apink

On April 21, A Pink held their 7th-anniversary fan meeting event where they celebrated the special moment in their lives with those who helped them get to where they are today, Pink Pandas.

While putting on several special performances as well as their hit songs, they decided to hit the fans with a curveball by covering BTS' "Fire", a hard-hitting choreography that's far from their usual image or concept. As soon as the beat started, the audience knew they were in for a treat. Check out the fan cams below!