Sadie Robertson is a star of A&E s "Duck Dynasty" and the eighteen-year-old daughter of fellow stars, Willie and Korie Robertson. Sadie is very active in sports, including basketball and tennis. In collaboration with Sherri Hill, she has her own line of Daddy-approved prom dresses, and in between her filming, school, and sports schedules, she regularly speaks across the country. With more than one million Twitter followers, Sadie is one of the most influential teens in America. She and her family live in West Monroe, Louisiana.