09/19/2012 09:06 am ET Updated Nov 19, 2012

Melissa Joan Hart Welcomes Son Tucker

It's a third boy for Melissa Joan Hart!

The actress and husband Mark Wilkerson welcomed son Tucker at 10 p.m. on Tuesday, Sept. 18, her rep tells PEOPLE exclusively. He weighed in at 8 lbs., 5 oz.

Read more on celebritybabies.people.com