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Bono's Big Apple bash will be the Sweetest Thing as star turns 50

He may seem like an ageless rock rebel -- but U2 frontman Bono will celebrate his 50th birthday this weekend.

And the charity worker is intent on doing his best to ensure it's an occasion to remember by throwing a birthday bash for his closest family and friends.

The Dublin-born singer, who turns 50 on Monday, is hosting an intimate party for dozens of his nearest and dearest at a top secret location in New York this weekend.

He and his chart-topping bandmates Adam Clayton, the Edge and Larry Mullen have been working in the States for the past few weeks as they gear up for the next leg of their U2 360 tour, which is set to kick off in Salt Lake City on June 3.

"Turning 50 is a big event for anyone, let alone someone as iconic as Bono, so it's going to be like an impressive event which will see him pulling out all the stops," said an insider.

"All his family are flying over from Dublin for the event and many of his famous pals will be there to help him celebrate, as it's not every day you celebrate the big five-oh."

His musician pal Gavin Friday marked his milestone birthday with a VIP bash in New York's Carnegie Hall last October and if his party was anything to go by, Bono's will be even more memorable.

The pair have been best pals for more than three decades and share a similar circle of friends in their tight-knit circle -- many of whom will also be at the singer's bash.

Attendees at Friday's star-studded event included Hollywood bombshell Scarlett Johansson alongside Courtney Love, toothless hellraiser Shane MacGowan and Christy Turlington with hubbie Ed Harris.

Also spotted was Johnny Ronan, Robbie Fox, businessman Oliver Caffrey, Dunnes Stores heir Andrew Heffernan and former manager of Hothouse Flowers Robbie Wootton.

Speaking previously about getting older, Bono said he didn't mind the ageing process as it was a natural part of life.

"I do like it. I think when I'm 60, I'll finally be cool," he stated.

Earlier this week Bono pre-record a special tribute to his late pal Gerry Ryan.

He had hoped to fly back home to attend the Clontarf funeral but travel chaos from the Icelandic volcano put paid to his plans.

Instead, he performed a special version of With or Without You, which was received by RTE on the morning of the funeral.

The packed congregation listened as told them: "Calling from New York on the Ryan Line. The Ryan line's still open."

At the end of his emotional performance, he added: "Goodbye Gerry, see you down the road."