Joel Madden is already a proud father. Could his twin brother Benji be the next Madden brother to become a parent?

Good Charlotte boys Joel and Benji Madden spoke with Ryan Seacrest on his KIIS-FM radio show Tuesday to promote their summer tour and new single, but they got to talking about other things, too.

Joel, who is the father of a 5-month-old baby girl with Nicole Richie, said his daughter is teething. Benji, 29, was then asked if he is worried about having kids.

"Not at all. I mean, she's my best friend," said the rocker of girlfriend Paris Hilton.

"I'm so beyond happy. Of course, when you're that happy, you think about everything," he said.

"I've never been so happy. Nothing worries me in life anymore. When you find that best friend, that love, all your worries kind of go away. Your work gets better and everything you do, you have someone supporting you, and she's that for me. I've never been supported so much," said Benji.

All of Benji's gushing prompted Joel to interject with his own thoughts.

"I can see it tomorrow: 'Benji's Ready for Fatherhood'," he said.

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