They're the biggest band in the world and last night was the first of three One Direction gigs in Dublin to take place this weekend.
With the band down to four members and a break on the horizon, it's one of the last chances Irish fans will have to see them for quite some time. Unsurprisingly, the gigs sold out in record time.
For those of you who couldn't be there, or who live in other parts of the world, we thought we'd gather up some of the very best pictures, videos and fan moments from the 3Arena and share them with you all...
Niall Horan was certainly happy to be on home soil
Ah Dublin ... That was absolutely mind blowing ... The loudest , craziest show ever
— Niall Horan (@NiallOfficial) October 16, 2015
The lads played their new single 'Perfect'
And shared plenty of time with their fans backstage
— One Direction News (@1D_24hNews) October 17, 2015
— Zayn updates (@Zayn_UPDATEZz) October 17, 2015
And generally looked fabulous as usual
— One Direction Arg (@_OneDirectionAr) October 17, 2015
— Trendom (@trendomco) October 17, 2015
Liam and Niall on stage - Dublin 16/10/15 #1 (via 1D on IG) pic.twitter.com/q42q7wvO0C
— Liam Payne News (@lpaynews) October 16, 2015