Let us welcome this month with an all new entry. Remember during the 90's where boy bands started to emerged and hit the mainstream in music? Yes, this is the time when boy groups like Backstreet boys , Boyzone, N'Sync , Take That, Boyz II Men , Westlife and more gained quick popularity both domestically and internationally. The boy bands started to decline during the early 2000s but it was in early 2010 that marks the resurgence of their popularity especially in South Korea where most of them were internationally recognized. In fact, just like Korean girl groups (see TOP FIVE MOST POPULAR KOREAN GIRL GROUP) , Billboard created a chart exclusively for them. Listed below are five of the most popular Korean Boy Group today.