Watch: Niall Horan plays Instant Song Challenge with Jimmy Fallon

In 2015, One Direction fans all over the world were left heartbroken after the band announced they were taking a hiatus.

Since then the boys have been busy carving out some pretty successful solo careers and our very own Niall Horan is no exception.

With hits like This Town and Slow Hands racing to the top of the charts, the Mullingar-native has proved that there is light at the end of the 1D tunnel.

The singer recently appeared on The Tonight Show Starring Jimmy Fallon where he helped the host create some impromptu musical numbers in a round of the Instant Song Challenge, and as expected, the results were hilarious.

With Niall on guitar and Jimmy on keyboard, the pair composed a whole host of hilarious, on-the-spot songs, inspired by random titles sent in by viewers.

The first was a rock anthem called Witness to Fitness followed closely by an old-fashioned country tune – Quickly Clicky Pens.

Struggling to hold in the laughs, the duo finished off their set with a stellar performance of a soft-rock ballad called Stepping on Toes.

Check out the full video below.

We reckon there's a spot ready and waiting for Jimmy if One Direction ever do decide to give it another go.

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