(CNN) -- Singer Nick Lachey and wife Vanessa Minnillo are expecting their first little one!
Lachey announced the news Monday morning as he co-hosted on "Live! With Kelly."
The former member of "98-degrees" said the couple does not know whether it's a boy or a girl yet.
Lachey says his wife, who is a commentator on the show "Wipeout," is due in late summer or early fall.