Proud Irish man Niall Horan (@NiallOfficial), former One Direction member turned successful solo artist, celebrates his birthday today! 🎉 Tweet added by IrishCentral @IrishCentral

Happy Birthday to one of our favorite Irish singers, Niall Horan!

Niall Horan, former One Direction member turned successful solo artist, celebrates his birthday on September 13! Learn more about the proud Mullingar, Co Westmeath star here.