As Jessa Duggar and Ben Seewald tie the knot today, Derick Dillard gives thanks to God for 130 days of marriage to Jill Duggar

Today is the big day for Jessa Duggar and Ben Seewald as they exchange marriage vows at the First Baptist Church in Bentonville, Arkansas.

Their wedding is set for 1pm and members of Jessa's huge 19 Kids and Counting family will be there to witness the special moment in her life.

Jessa and Ben are marrying after just under three months of engagement.  They got engaged on August 14, their 11-month anniversary.

The Duggar family are clearly very excited by the occasion, sharing a simple update on their blog saying "Weddings, Weddings, Weddings!".

The post promised more details as the day unfolds and included some beautiful pictures from sister Jill Duggar's wedding to Derick Dillard back in June.

The photos were taken by wedding photographer Elizabeth Zellon, who will also be taking the pictures at Jessa and Ben's wedding today.

Jill Duggar chose a vintage style dress for her wedding and that theme carried through the whole day, with vintage picture frames and table decorations. 

Will Jessa go for the same theme?  There was no hint in their sweet wedding invitation that the Duggar family shared earlier this week. 

As Jessa and Ben exchange vows today, Derick and Jill are still relishing every moment of their new married life together.

Derick was singing his wife's praises on Twitter this week, gushing: "I can't believe I've been married to my best friend @jillmdillard for 130 days already!  Time flies when you're with the one you love!"

In another post, he shared Proverbs 19:14 - "House and riches are the inheritance of fathers and a prudent wife is from the Lord" - with the words "So grateful to God for my wife!"

Earlier this week, Derick was celebrating getting to the halfway stage of Jill's pregnancy.  They are expecting their first child together, a boy, who is due to make his arrival in March.

Just about halfway now to meeting our son! #proudparents #jillmdillard #19weeks #19kids

A photo posted by Derick Dillard (@derickdillard) on

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