Lauren Hope Caldwell was born on May 22, 2000, to Paul Caldwell and Christina Caldwell. She was the couple's second child, and they went on to have seven more children after her.
As a young child, Lauren lived in Woodbridge, Virginia, where her father was a pastor at Heritage Baptist Church. In 2008, her father was sent by Baptist International Missions, Inc. to plant a church in Fayetteville, Arkansas. Lauren has lived there with her family since then.
Lauren was homeschooled growing up. In July of 2019, when Lauren was 19 years old, her family shared that they had recently celebrated her high school graduation at a party a the Duggar house. The hashtag #betterLateThanNever suggests that the party took place "late" compared to when she completed her schooling.
On October 15, 2020, Lauren's parents announced on their Instagram page that Lauren is engaged to Titus Hall. It is unknown when the two of them started courting. They got engaged on October 8, 2020.
Lauren is often featured on the TLC show Counting On. Her appearances are generally serving as a chaperone to her sister Kendra and Joseph Duggar, or in family events related to the couple.
Lauren was the maid of honor at her sister Kendra's wedding to Joseph Duggar on September 8, 2017.