19 Kids and Counting’s Jill Duggar and Derick Dillard are ready to tie the knot!

Washington, 21June-2014,ALICIA C. DENNIS(People): It was a day full of joyful preparation for a much-anticipated wedding – but it was also filled with prayer for a beloved mother not in attendance.

19 Kids and Counting’s Jill Duggar and Derick Dillard are ready to tie the knot!

Jill Duggar and Derick Dillard Wedding Rehearsal Dinner

Jill Duggar, 23, the second daughter in the supersized Duggar family of TLC’s hit reality show 19 Kids & Counting, and fiancé Derick Dillard, 25, were surrounded by over 100 family and friends on Friday, helping prepare for their Saturday wedding.

Volunteers gathered to help with decorations, get food ready for the reception and help organize the church where over 2,000 guests are expected to watch Jill walk down the aisle – the first daughter of Jim Bob and Michelle to be married.

“I’ve been crying half the day, so I’m making jokes to keep from crying,” Jim Bob told everyone at the couple’s rehearsal dinner, where guests took turns sharing memories and advice for the couple.