Jill tied the knot with her 25-year-old groom on June 21 in Springdale, Arkansas in front of 1,000 family and friends. The wedding ceremony also marked the couple's first kiss, which will be featured on the Duggar family's TLC reality show on Sept. 2 at 9 p.m. ET.
"It was surreal," Derick said of the baby news. "We were shocked. Both of us are so excited."