Irish singer/songwriter Niall Horan was one-fifth of One Direction, one of the most commercially successful boy bands of all time. As one of the group's more prolific songwriters, he could also play guitar, which helped him kick off a solo career after the group went on hiatus in 2016. Born September 13, 1993 in Mullingar, Co. Westmeath, Ireland, Horan became interested in music at a young age. After his elder brother failed to play the guitar he had received as a Christmas present, Niall picked it up and taught himself to play by watching instructional YouTube videos. Discove...