Bruce Willis’ wife Emma took to Instagram this week to share how their youngest daughter, Evelyn, is trying to help with her dad’s dementia diagnosis (Picture: Instagram)

Bruce Willis’ wife Emma has revealed the incredible way their nine-year-old daughter Evelyn is trying to help her dad with his frontotemporal dementia diagnosis.

The 68-year-old actor’s dementia diagnosis was confirmed in February, almost a year after his family announced his initial aphasia diagnosis.

Since then, 44-year-old Emma and the rest of Bruce’s family have kept fans in the loop with the A-lister’s health, but this recent update might be the most touching yet.

Taking to social media this week, model Emma said she was going to try and tell her 833,000 Instagram followers about Evelyn’s gesture without crying, but admitted she was a ‘puddle’ when her daughter relayed the information.

The Make Time Wellness founder explained: ‘So I have to tell you this story, and I’m going to try and do it without crying.

‘Because when Evelyn told me this story, I was an absolute puddle.’

Emma said she was going to try and tell her 833,000 Instagram followers about Evelyn’s gesture without crying (Picture: Instagram/emmahemingwillis)

Emma added that during her free time at school, Evelyn had looked up ‘fun facts about dementia’ and learned that people suffering from the condition ‘can become severely dehydrated’.

Evelyn’s mum went on: ‘Now, that’s not funny, but it’s kind of funny. She really is her father’s child because these two love some random facts.

‘So I said to her, “Evelyn, we will always make sure daddy has a bottle of water in hand. Thank you for letting me know. But that is the most loving and compassionate thing that you can do is to be curious and educate yourself on your dad’s disease”.’

Emma added that during her free time at school, Evelyn, pictured with Bruce, had looked up ‘fun facts about dementia’ (Picture: Instagram/emmahemingwillis)

Emma and Bruce are also doting parents to 11-year-old Mabel (Picture: Instagram/emmahemingwillis)

Aside from Evelyn, Emma and Bruce are also doting parents to 11-year-old Mabel, while the Die Hard actor also shares daughters Rumer, 34, Scout, 31, and Tallulah, 29, with actress Demi Moore.

Evelyn’s big sister Scout was quick to praise her efforts and wrote beneath Emma’s video: ‘Omg Evelyn!!!!!!! That story made me a puddle of tenderness.’

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Emma Willis shared an update with Bruce’s fans.