Diablo Cody Expecting Baby No. 1

Diablo Cody is pregnant! The 31-year-old Juno screenwriter confirms the happy news via Twitter:

Thanks for the congrats on my fetus! No secrets here; just thought it would be fun to see how big I could get before someone noticed.

This will be the first child for Cody – born Brook Busey – and her husband.

Congratulations to the happy couple!