The singer shared the news while guest co-hosting "Live! With Kelly" on Monday.
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Vanessa Minnillo and Nick Lachey welcome second child!
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Nick Lachey and Vanessa Minnillo are having their first baby together - OK! Magazine
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Nick And Vanessa Lachey Expecting Their First Child!
Vanessa Minnillo pregnant
Congrats: Nick Lachey and Vanessa Minnillo are expecting first child!
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