Craig Ferguson Wife Expecting Child

Late Late Show host Craig Ferguson expects his first child with wife Megan Wallace.

Ferguson, 48, took on Twitter Wednesday to announce the big news. "Holy cookies! Ms. F is pregnant. How does this happen? ... Oh yeah, I know how. Another Ferguson arrived in 2011. The world trembles."

Craig Ferguson: Do not call me late night host

In late-night host, who married Wallace in December 2008, is a 9-year-old son from a previous marriage.

Reps for Ferguson does not immediately answer a request for TVGuide.com comment.