Kevin Jonas is Going to be a Dad!

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Kevin Jonas and wife Danielle are expecting their first child!

A rep for the couple tells ET: "Dani and Kevin are thrilled that Dani is pregnant with their first child. They are, of course, elated and so excited to share this news with their fans. They are very much looking forward to building a family together."

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The singer, 25, also tweeted the news today, writing:

The couple wed in December 2009 after first meeting in 2007. The winter nuptials took place at Oheka Castle in Long Island with Kevin's brothers Joe and Nick serving as best men.

Last year Kevin and Danielle, 25, invited fans into their married life when they became the stars of their own reality series, Married to Jonas.

On the program, both Kevin and Danielle have expressed a desire to raise children, but seemed to be waiting for the right time to start a family.