Danielle Jonas and Kevin Jonas

Kevin Jonas and his wife Danielle are expecting their first child, E! News reports.

"I was overjoyed," Kevin said. "It's been the most exciting thing in my life so far. I'm excited and I'm nervous."

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Danielle talked about her baby fever with TVGuide.com last year, explaining that she didn't want to let outside pressure affect finding the right timing. "It's hard because you're trying to figure it out on your own and then you have people reminding you all the time," Danielle said. "It's like, 'Yes, I want to be pregnant and maybe I am,' but we want to [be ready] when we do have one and focus on it. But [the talk] is a constant reminder that it's next."

The couple married in 2009 when the eldest Jonas Brother was only 22. Now, Kevin and Danielle star in Married to Jonas, an E! reality series that follows their lives as husband and wife.