Niall Horan's One Direction Bandmates React to His New Solo Single

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One Direction perform at Rumsey Playfield, Central Park on Aug. 4, 2015 in New York City.  

Niall Horan's One Direction bandmates were quick to react to his new solo song “This Town” after its surprise release on Thursday (Sept. 29). Harry Styles, Liam Payne and Louis Tomlinson all tweeted to congratulate their 1D mate.

Niall Horan's 'This Town' Debuts Atop the Billboard + Twitter Trending 140 Chart

Horan is the second band member to release any solo material outside One Direction, following Zayn Malik’s debut solo album Mind of Mine. Malik had not publicly reached out to Horan at press time.