On Friday, the Duggar's official Facebook page shared a photo of Josh, his wife, Amy
, and their four children, along with an encouraging message for the former 19 Kids and Counting reality star.
"Happy birthday, Josh. We love you, your amazing wife and sweet children," read the photo caption. "We pray that you diligently follow and serve the Lord with your whole heart all the days of your life and that this year is a wonderful year for you and your family."