Dublin city has never seen a party like it as Keith Duffy celebrated turning 40.
Stars from the across the world of entertainment came together for the birthday bash at the exclusive Number 10 venue on Ormond Quay, with many bearing presents.
The star's son Jay (18) was in charge of carrying in the elaborate black and red cake. The icing fittingly showed a musical theme for his Boyzone singer dad, with a microphone perched on top of it.
And Keith was delighted when he received a birthday kiss from his favourite girls, wife Lisa and daughter Mia.
Lisa looked glam in a black dress, with a cape keeping her warm, while Keith looked dapper in his navy jacket.
Among those who came out to celebrate with the popular star was presenter Laura Whitmore (29) who looked sleek in a black dress and jacket. She took to twitter to say: "Lovely night celebrating @officialkeith's bday! Happy Birthday Buddy!
And she posted a cute selfie of herself with the birthday boy on Instagram.
Coronation Street star Antony Cotton also told his followers that he was in Dublin for the birthday of Keith, who gained critical acclaim for his role as Ciaran McCarthy during his time with the soap.
"Couldn't love this man any more. One of my most favourite people in the world," Antony, who plays Sean on the show, declared.
Keith has obviously made many friends throughout his career. Presenter Vanessa Feltz turned up with her partner Ben Ofoedu.
They met when herself and Keith starred in the first series of Celebrity Big Brother way back in 2001.
His Boyzone band mate Shane Lynch was also seen entering the venue, as was DJ Dave Fanning and his wife Ursula.
Presenter Brian Ormond and his model wife Pippa were also on the guest list for the birthday party.
The bash on Saturday night rounded off an amazing week for Keith, who has worked tirelessly to raise awareness and financial support for autism in this country.
Earlier last week he told of how, to mark the significant milestone, he was 'kidnapped' by his friends and brought on a few days of mystery madness, which involved crossing the Irish Sea.
Yvonne Keating, who wore black leggings with a lace detail and a cream jacket on Saturday night, had tweeted: "Welcome to the club #40." The blonde model and broadcaster turned 40 last February.