The group had originally auditioned in front of Gary Barlow, Tulisa, Kelly Rowland and Louis Walsh on last year's X Factor, but were cut at bootcamp over claims they had signed a management deal already.
Speaking to The Sun, [tag]The Mend[/tag]'s Craig Worsley said they were overjoyed to be able to finally sing for Simon.
"He's like the music man so it's good to see him on the panel," he explained.
Bandmate Jayme Kontzle added: "To be honest everything happens for a reason. And we all believe that it is fate. I think it's worked out better for us."
The boys got rave reviews with their cover of Otis Redding hit Sittin' On The Dock of the Bay, winning themselves a place in the next round.
The group's Dean Kelly added to the newspaper: "I spoke to my mum – she was really, really proud of me."