From the official site:
Children: Paige, 13, Karlie, 12, Addie, 10, Rayne, 8
The big question posed by the Clarkson family is: How do you keep four girls busy? The Clarksons achieve this miraculous feat with dance, rodeo, motor scooters, soccer, trampoline, karaoke, chores and fire safety drills. Mom also bonds with the girls every morning as she irons their hair - with an actual iron! When Momís away, is Dad really going to play beauty parlor?