30-year-old Tallulah Willis, daughter of Demi Moore and Bruce Willis, reveals autism diagnosis on Instagram.

30-year-old Tallulah Willis, daughter of Demi Moore and Bruce Willis, has revealed her recent diagnosis of autism as an adult on Instagram. The actress and designer shared the news, stating that the diagnosis has "changed her life." Autism, also known as autism spectrum disorder, impacts communication, behavior, and socialization, affecting over 5 million adults and nearly one in 44 children in the US, according to the Centers for Disease Control and Prevention.