News of ex Blake Fielder-Civil’s affair—and alleged love child—left Amy Winehouse “destroyed,” but also inspired, a source tells the Sun. The troubled singer wrote “The Ultimate Betrayal,” which even borrows a line from her biggest hit. “She keeps repeating the line: ‘Blake a baby, no, no, no.’ It’s very haunting,” says the source, adding that “Amy’s best material was written when heartbroken by Blake.” (More Amy Winehouse stories.)