His first girlfriend was his recent one (not very recent but his lst one) she is Holly Scally.
He has no girlfriend :)
ariana grande
If you mean what his girlfriends name is, he is currently single. It's also known that he is looking for his "Princess"
well first of all i think u mean nialls bc ziall and niall and zayn k but nialls is september 23
Emma Watson was Niall Horans first celebrity crush!
7
June
Greg horan
Soccer
Taken
Topman
Nialler