Robson Green has threatened to punch Louis Walsh after he repeatedly mocked his music career on the X Factor.

Simon Cowell signed Robson & Jerome in the 90′s and was responsible for their hit single, Unchained Melody, a fact which Louis never fails to throw up.

Green told The Sun: “I would have no qualms about punching Louis’s lights out. He wouldn’t see it coming with all the surgery he’s had. In fact Louis had better get himself a decent cosmetic surgeon because at the moment, Louis, you look like you’ve been shot.

“He needs to shut up. He’s always slagging us off. I know it’s part of the show, the act, but he’s been doing it loads of times now.”

Robson also hit out at Simon Cowell for never defending him.

He said: “The galling thing is that Simon keeps defending Louis. I want to tell him that if this is how he feels, all the money Jerome and I made for the recording company should be given back, or given to a children’s charity.”