@MellyJHart / Twitter 1 / 15
@MellyJHart / Twitter 1 / 15

It's the best birthday present a woman could wish for!

Melissa Joan Hart turns 36 on Wednesday, and this year she'll have something extra special to celebrate: The "Melissa & Joey" actress is expecting her third child.

"(Early) Happy Birthday to me! And baby makes 3!" Hart tweeted Tuesday, along with a photo of her growing baby bump.

PHOTOS: Biggest celeb pregnancies ever

The star's new arrival will join big brothers Mason, 6, and Braydon, 4, Hart's children with her husband of nine years, musician Mark Wilkerson, 35.

NEWS: 25 things you don't know about Melissa Joan Hart

"Since I was little, I knew that I wanted to have children," Hart -- the oldest of eight siblings -- told Parents.com. "Having a big family has always been very important to me, and I would hate for my kids to not be able to experience that."

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