Share Read on Mobile Enter Reading Mode MONSTA X' Hyungwon x Justin Oh reveal teaser video of 'Bam Bam Bam' feat. Jooheon Posted on 2017-10-06 04:15:59 by ifrit1112 MONSTA X'HyungwonxJustin Oh have revealed the teaser video of "Bam Bam Bam" featuringJooheon. Comment