Beth Hall, AP Photo
18 of the 19 members of the Duggar family pose for a photo at Northwest Arkansas Regional Airport in Highfil, Ark., on Friday, after returning from a trip to New York where the announced that they are expecting their 18th child. This weekend, Duggar will join her husband and their 17 children to celebrate Mother's Day with brunch at a hotel in downtown Little Rock. Their youngest child, Jennifer, is 9 months old. Their oldest, Josh, is 20. The Duggar children include 10 boys and seven girls. Within the group are two sets of twins.