The Swords native managed to enlist 30 celebrity well wishers for a poignant video for his best friend's wedding day.
The software developer spent almost a full year putting the video together for his closest pal, also named Darren.
"From the moment Darren asked me to be his best man, I knew that I wanted to do something special for him. I knew that I would do a presentation of embarrassing photos and stories, but I also wanted to do something out of the box," he told the Irish Sun.
Darren married his longterm love Anna in Vilamoura, Portugal on September 17th. Both were shocked when their favourite celebrities, sports stars and broadcasters from around the world popped up on a giant screen to wish them well in their future.
Among those who took the time to send a greeting were Gay Byrne, Joe Duffy, George Hook, Miriam O'Callaghan, Gary Barlow, Piers Morgan, James Corden, Jose Mourinho and Gary Linekar.
You can watch the impressive video, below.