Singer-turned-fashion designer Jessica Simpson, who is expecting her first child with fiance Eric Johnson, refuses to get married until she delivers her baby girl. The wedding is getting delayed because of disagreements between the couple over a prenuptial agreement. \"She hates the idea of getting into a wedding dress until she\'s given birth and lost the baby weight,\" femalefirst.co.uk quoted a source as saying. \"She loves him, but there are several issues that haven\'t been resolved yet.\"