HyunA recently surprised fans in her latest Instagram update. HyunA | @hyunah_aa/Instagram | @hyunah_aa/Instagram | @hyunah_aa/Instagram Previously, she gained attention for sending a message to haters in her previous Instagram posts where she flipped off the camera. | @hyunah_aa/Instagram | @hyunah_aa/Instagram In her most recent update, she shared selfies wearing a matching green lingerie set…