The Korean boy band's fan base — known as the BTS Army — are out in full force tonight to support the band, and if their fans have anything to do with it, their star will only continue to rise.

Earl Gibson III/Getty Lachey is not one to totally desert his boy band roots — the former frosted-tips enthusiast performed with his bandmates this past summer, joining other late-'90s/early ...

With an affinity for muscle tees and all-white outfits in the '90s, Lachey was practically made for 98 Degrees, the ultra-successful boy band, which also featured his brother Drew.