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The Duggar family is getting even bigger!

Anna Duggar revealed that she and her husband of six years, Josh Duggar, are expecting their fourth child. Anna shared the news with a simple, adorable tweet on Tuesday.

The couple, who star alongside their expansive extended family on the hit TLC show "19 Kids And Counting," already have three children: 1-year-old Marcus Anthony, 3-year-old Michael, and 4-year-old Mackynzie.

RELATED: Jessa Duggar Shares Pic of Intimate Kiss with New Husband

It's been a big year for the Duggar family. Back in August, Josh's sister Jill Dillard announced that she and her husband Derick Dillard were expecting their first child, and on Nov. 1, Jessa Duggar tied the knot with Ben Seawald at a massive wedding ceremony in Arkansas.


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