"She just turned on him. She told him it was rude for him to take a phone call in front of her. He stood up for himself and they had quite a heated argument," Herald Sun quoted the source, as saying.
"Madonna agreed to let him answer the mobile when she's around, but only in emergencies. His family claims they always know when he's with her because they can't get him on the phone. And it's true. He'll see his phone ringing and he just has to let it go," the source added.
However, the 'Material Girl" hitmaker herself chats away on her phone whenever she wants. The source told Britain's Daily Mail newspaper: "If her phone rings and she wants to take the call, she''ll do it. This is not a relationship of equals."