Melissa Joan Hart: Pregnant Again!

In the immortal words of Melissa Joan Hart's co-star on Melissa & Joey: Whoa!

The actress - who celebrates a birthday... today!!! - revealed via photo and via caption on Twitter yesterday that she's expecting another child, posting the following picture along with the words:

(Early) Happy Birthday to me! And baby makes 3!

Hart married musician Mark Wilkerson in 2003 and gave birth to their first child, Mason, in 2006. They welcomed a second son, Braydon, in 2008. The gender of kid number-three is unknown at this time, but we wish the growing family nothing but the best!

In other celebrity baby news: Anna Paquin is pregnant with her first child.