He's one fifth of one of the world's most popular boy bands, yet last night Niall Horan decided to go it alone.

The 18-year-old singer enjoyed a night out at celebrity hotspot Funky Buddha without his fellow band mates, but he didn't seem to be missing them.

As he helped two of his friends celebrate their birthdays, the Irish star was grinning from ear-to-ear and clearly loving his solo night out.

Having a great time: Niall Horan has a laugh outside Funky Buddha last night without his One Direct...