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Melissa Joan Hart, What to Expect Premiere

Jason Merritt/Getty Images

Congratulations are in order for Melissa Joan Hart!

The actress and husband Mark Wilkerson welcomed their third son, Tucker, on Tuesday, E! News has confirmed.

"Baby boy Tucker has finally arrived! We waited all year to meet this lil man&we could not be more excited & relieved that he is in our arms!" the 36-year-old Melissa & Joey star tweeted Wednesday morning. News of the birth was first reported by People.

Tucker joins big brothers Braydon, 4, and Mason, 6.

If Clarissa explained it all as a teenager, we're pretty sure MJH will be able to teach her three little boys a ton now that she's all grown up.