Coronation Street confirms Shona Platt's affair twist as she smiles with David at Gail's exit wedding

David Platt is all smiles on his mum Gail's wedding day but as he's joined by wife Shona for the special occasion, he's completely unaware that she's cheated on him with someone close to home.

As Coronation Street fans will recall seeing David sneaking around last month, intercepting letters sent through the post and deleting emails from Shona's laptop before it was revealed she was being contacted by Weatherfield Prison about her son, Clayton Hibbs, who killed David's late wife, Kylie Platt.

Shona has since been beside herself after Clayton tried to take his own life and ended up in hospital, refusing to see her. Weeks have now gone by with David keeping quiet about his involvement with Clayton while his wife despaired over why the prison hadn't contacted her.

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But David's lie was finally exposed by his stepson Max Turner during Wednesday night's (December 4) Corrie. David was seen confiding in Max about how he intercepted visiting orders that Clayton had sent from prison and confirmed he'd visited him behind his wife's back.

Max seemingly agreed to keep David's secret but all that changed when Shona stepped up her desperate attempts to get answers from the prison governor and as she headed to the jail, she lost her temper by shoving the governor when he wouldn't reveal the truth about the missing emails and Clayton's visitor.

A confrontation between the married couple later ensued but David didn't appear sympathetic and didn't think Shona should care about Clayton either. The row was interrupted as DC Kit Green arrived to arrest Shona on suspicion of assaulting the