The former X Factor finalist is a new coach for the current series, joining returning stars Jennifer Hudson, Will.i.am and Sir Tom Jones.
Ahead of the final on Saturday, Olly has spilled how he got a spot on the show almost by chance.
“I was actually along talking to ITV who wanted me to be involved in future projects,” he spilled to iN10 (via The Sunday Post). “In the lift they have clips of different shows screening and one was The Voice. I was with the producers and I just asked how it was going and they said they were looking for a new coach.
“I don’t know if it was a hint but I said we should have a chat.
“We did, and when they said they’d love me to be a coach, I was delighted.”
Olly says he's been enjoying spending time with his fellow coaches - especially Sir Tom Jones.
“You mention a song and he’s like, ‘Yeah, worked with them. Friends with them’. It’s mad. He knows everyone and he’s such a star," Olly shared. “He’s the real deal. If I could have anything like the same career success as him I’d love it. He’s been around for 50 or 60 years.”
Meanwhile, Olly dismissed rumours of a feud between himself and X Factor boss Simon Cowell.
He said: “I saw him last year at an ITV event and he was fine. Listen, there’s no beef between myself and Simon.
“We’ve got a great relationship and I’m sure when I see him next we’ll have a drink and we’ll be fine.”
The Voice UK 2018 final airs this Saturday night at 8:30PM on ITV.