By Maane Khatchatourian
December 10, 2012 at 08:34 PM EST

So this happened...

The Cougar Town actress tweeted a photo of a positive Clearblue pregnancy test earlier today with the message “So this happened…” She and her husband screenwriter Marc Silverstein are already parents to four-year-old Birdie Leigh. The couple wed in 2007.

The fourth season of Cougar Town premieres on Jan. 8 on TBS.

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