The 27-year-old was driving a Chevy Tahoe in Henry County, Tennessee when it began drifting across the median, triggering a rollover sequence. No other cars were involved.

Katherine was pronounced dead and her husband, 29-year-old Tyler Dunning, was airlifted to a nearby hospital. His condition is unknown.

Katherine's family is country music royalty. Her dad, 71-year-old Hank, Jr., has topped the charts with songs like "All My Rowdy Friends," which is ESPN's "Monday Night Football" theme song. Hank's dad is one of the giants in the history of country music, who died at 29 but produced hit after hit.

Katherine leaves behind her husband and 2 young children.

She was 27.