One Direction's Niall Horan cuts a dapper figure at his brother's wedding as fans turn up to wish the happy couple well

 

He's one fifth of the world's biggest boyband and has had to stand up in front of crowds that total in the thousands.
But on Wednesday, One Direction's Niall Horan took on his biggest gig as he stood watch at the altar as his older brother Greg got married.Taking on the role of the best man, the 19-year-old looked extremely dapper in a three-piece suit as he emerged from St Michael's Church in Castletown Geoghegan in County Westmeath, Ireland

He scrubs up well: One Direction's Niall Horan cut a dapper figure on Wednesday as he attended his brother's wedding in Ireland

Here comes the bride: Niall provided his older brother with the support he needed on his big day

Blond Niall used wax to keep his hair up in its signature quiffed style as he donned a black suit with a white shirt and candy pink striped tie.
On arrival to the church Horan was seen in extremely good spirits as he stuck his head out of his Range Rover and greeted One Direction fans who had showed up to wish the couple well.
Despite the cold weather, Niall made sure to make his way over to fans once the ceremony was over and handed out a few autographs and hugs.

Just married: Greg Horan beamed as he stood with his new wife Denise Kelly at St Michael's Church in Castletown Geoghegan in County Westmeath

Here comes the bride: Niall provided his older brother with the support he needed on his big day

Blond Niall used wax to keep his hair up in its signature quiffed style as he donned a black suit with a white shirt and candy pink striped tie.
On arrival to the church Horan was seen in extremely good spirits as he stuck his head out of his Range Rover and greeted One Direction fans who had showed up to wish the couple well.
Despite the cold weather, Niall made sure to make his way over to fans once the ceremony was over and handed out a few autographs and hugs.

Taking his role very seriously: Niall was seen arriving at the church in his Range Rover with his 25-year-old brother.

In good spirits: The 19-year-old heartthrob cheered behind the wheel as he greeted fans

Cool and confident: Niall used what looked to be super-hold wax to keep his blond locks up in a quiff

Are the nerves setting in? Niall looked a little anxious as he got closer to the driveway of the church

Still in the spotlight: Several One Direction fans and members of the paparazzi showed up to the family event

'There was never any other choice for my best man than Niall': The Horan boys stood watch as they waited for Denise's arrival

Speaking to the Irish Sun, Greg revealed that Niall had been taking on his role as best man very seriously - especially his speech.
He said: 'He has been working on the speech as far as I know so we will see how that goes.
'He’s my only brother — there was never any other choice for my best man than Niall.'

 

The wedding crashers! Niall's fans armed themselves with CDs and cameras

 

Time to party! Niall kept his head down as he exited the church with members of his family

 

 Looking good: The What Makes You Beautiful singer wore a three-piece suit with a pair of patent shoes

 

Feeling broody? Niall held a little girl in his arms as he made his way over to his admirers

The 25-year-old also told how he had invited Niall's bandmates Zayn Malik, Liam Payne, Harry Styles, and Louis Tomlinson to the wedding but none had RSVP'd to the big day.
Greg's blushing bride, Denise Kelly wore an ivory strapless dress which featured swirl detail.
Wearing her blonde hair back in updo, the newest addition to the Horan family finished her look with a floor-length organza veil, as she clutched onto a bouquet made up of pink and purple flowers. 

'You may kiss the bride': The newlyweds shared an embrace as they stood on the steps in front of the church

 

Ready for the next chapter: Greg revealed that he had invited Niall's bandmates to the wedding

Beautiful: The blushing bride Denise wore an ivory gown with a floor length veil 

 

Mr and Mrs Horan: Greg and Denise beamed as they headed to their reception venue