Rachel Oliver has 15 Niall Horan concerts.

Niall James Horan (born September 13, 1993 in Mullingar, Irelan) is a 1993-09-13 singer-songwriter who initially rose to fame as a member of the boy band One Direction. The group formed in 2010 on the singing competition The X Factor, released five albums to peak at number one on the Irish Albums Chart (IAC), and became one of the best-selling boy bands in history before disbanding in 2016. That year, Horan released his debut single as a solo artist, the top 10 hit "This Town." His debut studio album "Flicker" dropped in 2017 and was the first of three to consecutively top the IAC. The other two include "Heartbreak Weather" (2020) and "The Show" (2023). Some of Horan's most popular songs include "Slow Hands," "Too Much to Ask," No Judgement," "Nice to Meet Ya," "Our Song" (with Anne-Marie), and Heaven.