The mother of Amy Winehouse's incarcerated husband Blake Fielder-Civil has blasted reports her son will divorce the troubled singer - insisting he is "obsessed" with her.

Singer Amy Winehouse has locked the man she is accused of having an affair with out of her London home.

Amy Winehouse has furiously blasted reports she's cheating on her incarcerated husband Blake Fielder-Civil, insisting the couple will be "together forever".