Cameron Diaz and Benji Madden's relationship reportedly has encountered a bump in the road over the issue of kids. Meanwhile, the former Good Charlotte rocker arrived in Melbourne with brother Joel for a performance.

The Life & Style magazinedished out the latest on the Cameron Diaz and Benji Madden relationship as it claimed that there's "trouble in paradise."

"They're at odds over kids. He wants them, Cam doesn't," the magazine reported after talking to a source, who added that "Benji's a total family man. This could really affect their future."

In an earlier interview with with Details, the 35-year-old rocker said that he wanted a life just like his brother Joel, who has two children with Nicole Richie.

He said that having kids is "what every man wants, whether they admit it or not."

The rocker also weighed in on the whole Cameron Diaz and Benji Madden relationship, particularly on rumors that they are already looking to get married, hinting that he's in no rush to do anything.

"I did relationship damage to myself in my twenties. That's what your twenties are for. You learn, and then you apply it in your thirties," he said.

Meanwhile, Benji and Joel Madden arrived in Melbourne, Australia for the Grand Final Footy Show at Rod Laver Arena and also to promote their album, which reached the top of the ARIA charts, called "Greetings from California," said the Herald Sun.

Joel Madden told Confidential, per Herald Sun: "We're really excited to be performing at the Footy Show. We've really been getting into AFL and we're stoked to be a part of the Grand Final celebrations."

The Madden Brothers are trying to carve their place in the industry, while veering away from pure rock and roll following the massive success of the Good Charlotte band.