Die Hard star Bruce Willis, diagnosed with frontotemporal dementia in 2023, is father to five daughters; three who he shares with ex-wife Demi Moore, two who he raises with Emma Heming Willis. He has remained close to The Substance star since their divorce in 2000. Die Hard star Bruce Willis, diagnosed with frontotemporal dementia in 2023, is father to five daughters; three who he shares with ex-wife Demi Moore, two who he raises with Emma Heming Willis. He has remained close to The Substance star since their divorce in 2000.