Nick & Vanessa Lachey Expecting Baby Girl

Nick and Vanessa Lachey are expecting their second baby, their publicists confirm.

The singer and VH1's "Big Morning Buzz Live" host first made the announcement on his Twitter account Tuesday, which also marked the couple's third wedding anniversary.

He posted a photo of their almost 2-year-old son, Camden, running on the beach with a heart in the sand that says "It's a girl."

PHOTOS: Nick Lachey & Vanessa Minnillo

In an interview last year, 40-year-old Lachey told The Associated Press that once you have a child "everything changes, from the way you drive to the way you think to the way you act."

Vanessa Lachey, 33, last had a role on the sitcom "Dads" on Fox.

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