Bruce Willis sings in a video from his 68th birthday celebration with family.
Moore shared a video on Instagram that shows Willis joining in as the family sings "Happy Birthday."
"Happy birthday, BW! So glad we could celebrate you today. Love you and love our family. Thank you to everyone for the love and warm wishes -- we all feel them," Moore captioned the post.
Willis and Heming Willis also have two daughters, Evelyn and Mabel.
In March 2022, Willis' family announced that the actor was stepping away from acting after being diagnosed with aphasia, a language disorder that affects a person's ability to communicate.The family said in February 2023 that Willis' updated diagnosis was frontotemporal dementia.
In a video Sunday, Heming Willis said she was feeling "grief and sadness" on Willis' birthday.
She later posted a birthday tribute to Willis featuring moments with their family.
"He is pure love. He is so loved. And I'll be loving him always. Happy Birthday my sweet," Heming captioned the post. "My birthday wish for Bruce is that you continue to keep him in your prayers and highest vibrations because his sensitive Pisces soul will feel it. Thank you so much for loving and caring for him too."