Michelle Duggar Pregnant With Baby No. 18

May 9, 2008 6:26 p.m. EST

New York, NY (CNS) - The Duggar's, the Arkansas family with 17 children, appeared on the "Today" show Friday with a special Mother's Day announcement. Wife and mother, Michelle, is expecting baby No. 18.

Having welcomed her 17th child into the world last August, Michelle, 41, is due with the her 18th baby on New Year's Day. She made the announcement on the television show, much to the surprise of her children. Although the children seemed surprised, they also seemed happy.

All of the children have names that start with the letter J, and Michelle confirmed on "Today" that the new baby's name would also. Michelle and her husband Jim Bob already have seven girls and 10 boys (including two sets of twins). Their oldest child is Joshua, 20, and in descending order of ages they have: John David, Janna, Jill, Jessa, Jinger, Joseph, Josiah, Joy-Anna, Jedidiah, Jeremiah, Jason, James, Justin, Jackson and Johannah.