Still, he's come a long way since, and is premiering new track 'Too Much To Ask.'
From release dates to collaborators, here's what we know so far.
Katy Perry jokingly referred to One Direction's Niall Horan as a 'stage five clinger' on Instagram.
Niall Horan and Liam Payne had a mini reunion backstage at the ZPL Birthday Bash concert in Indianapolis.
Watch One Direction star Niall Horan peer pressure 'The Tonight Show' host Jimmy Fallon into dancing to 'Gangnam Style' with him.
Horan is certain the band will reunite., saying, 'When it will be, I don’t know. I prefer not to do it after I’m 40. I’d prefer the next few years.'
This definitely ain't the 'This Town' singer you've come to expect.
Still, Horan said he needed time to explore new possibilities in the music business.
From Zayn Malik to Justin Bieber to Taylor Swift, these celebrities dish on what it was like experiencing their first kiss.
The One Direction solo singer might have spilled the beans regarding his bandmate's new baby with Girls Aloud superstar Cheryl.