So Niall Horan was no doubt in the mood to celebrate as he headed out to a West Hollywood nightclub on Thursday night - although his three bandmates did not join in the party.
The Perfect hitmakers had spent the earlier half of the evening appearing on US chat show Jimmy Kimmel Live, so the 22-year-old Irish hunk was clearly ready to let his hair down.
Party time! Niall Horan was no doubt in the mood to celebrate as he headed out to a West Hollywood nightclub on Thursday night - although his three bandmates did not join in the party
Niall opted to stay in the same ensemble he sported on the chat show - looking effortlessly stylish in a patterned shirt and cool black skinny jeans.
His famous blonde quiff was at an all-time high as he pushed the hair of his face into a tall, stylishly messy do.
Clearly having a great time, Niall was joined by a host of male and female pals and the group shared a joke before the Irish heartthrob piled into a car to head to his next destination.
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Relaxing time: The Perfect hitmakers had spent the earlier half of the evening appearing on US chat show Jimmy Kimmel Live, so the 22-year-old Irish hunk was clearly ready to let his hair down
Cool dude: Niall opted to stay in the same ensemble he sported on the chat show - looking effortlessly stylish in a patterned shirt and cool black skinny jeans
Great time! Niall was no doubt raising a glass to the huge success of One Direction's first album as a four-piece - since the group was diminished following the sensational departure on Zayn Malik in March
Niall was no doubt raising a glass to the huge success of One Direction's first album as a four-piece - since the group was diminished following the sensational departure on Zayn Malik in March.
Made in the AM has been named the fastest-selling album of 2015 after soaring to the top of the UK album charts upon its release last week.
The record, which has been released in conjunction with the group's new hit Perfect, sold an eye-watering 93,189 copies in its first week.
Party the night away: Niall looked typically handsome as he departed the nightclub without his bandmates
Smash hit: Made in the AM has been named the fastest-selling album of 2015 after soaring to the top of the UK album charts upon its release last week
Thankful: Never one to forget the fans, charming Niall took to Twitter on Friday morning to thank the UK 'Directioners' (the self-appointed name of One Direction fans) for their support
Never one to forget the fans, charming Niall took to Twitter on Friday morning to thank the UK 'Directioners' (the self-appointed name of One Direction fans) for their support.
He wrote: 'People of the UK ! What a great feeling to Wake up and find out that you've got a number 1 album . Thank you so much , means a lot'
During his appearance on Jimmy Kimmel's chat show earlier in the night, the Mullingar-born star shared a hilarious story with the chat show legend.
Chat show expert: During his appearance on Jimmy Kimmel's chat show earlier in the night, the Mullingar-born star shared a hilarious story with the chat show legend.
Niall revealed that Jimmy's dad had followed the One Direction boys into the toilet to ask for autographs.
And it led to the late night talk show host admitting that his family have been such big fans of Niall that they even get a cake to celebrate his birthday every year.
'I just met your dad in the toilet and he asked me to sign,' Niall said with a giant smile after Kimmel asked if any famous people ever asked for their autographs.
Blonde ambition: His famous blonde quiff was at an all-time high as he pushed the hair of his face into a tall, stylishly messy do.
Having a hoot! Niall was joined by a host of pals as he left the nightclub on
Niall insisted Jimmy's dad had followed him in there, and the interviewer first seemed to think he was joking.
'You know I told my dad to stop hanging around the toilet,' Jimmy said, asking: 'Did he do that thing under the stall where he taps your foot?'