After selling out one show at the 3Arena in five minutes he's now added another, that will take place on the 29th of March.
Tickets from €48.90 go on sale Thursday, 19th October at 9am.
Julia Michaels will join as special guest on the night.
However Niall has left some of his fans disappointed as he's had to cancel a show in Italy.
He's announced the news on Twitter.
Italia, I’m sorry to have to cancel my trip on Sunday… pic.twitter.com/Ge29WDav3N
— Niall Horan (@NiallOfficial) October 13, 2017
