updated 07/14/2010 AT 3:50 PM ET
•originally published 07/14/2010 AT 4:05 PM ET
Craig Ferguson and wife Megan are expanding their family!
The Late Late Show host, 48, and his art dealer wife, who tied the knot in December 2008, are expecting their first child together this winter.
“Holy crackers! Mrs F is pregnant. How did that happen?” he Tweeted Wednesday. “Oh yeah I know how. Another Ferguson arrives in 2011. The world trembles.”
The two are already parents to Milo Hamish, 9, Ferguson’s son from a previous marriage.
Reporting by ALEXIS CHIU