Bruce Willis' daughters Mabel and Evelyn's reaction to his frontotemporal dementia diagnosis was revealed in the special Emma and Bruce Willis: The Unexpected Journey. Mabel, 13, and Evelyn, 11, were brought up in conversation between Emma Heming Willis and Diane Sawyer during the hour-long special, which aired on Tuesday, August 26. Emma, 47, was asked how long she took to tell her kids about Bruce's FTD diagnosis. "Pretty quickly I told them. I have always been very open with the girls," she revealed. "I never wanted them to think that he wasn't paying attention to them.