United Kingdom, Feb. 6 -- Demi Moore will always be part of a "family" with her ex Bruce Willis.

'The Substance' actress has been helping care for the 'Die Hard' actor, 69, as he continues to battle dementia despite the pair splitting following a 13-year marriage and even though he is now married to 46-year-old fitness influencer Emma Heming Willis.

She has now told Variety about their evolving dynamic as a blended group: "We will always be a family."

Demi and Bruce divorced in 2000 and had three daughters together -Rumer, 36, Scout, 33, and 31-year-old Tallulah.

Bruce has two daughters -Mabel, 12, and 10-year-old Evelyn -with his wife Emily.

Demi added about caring for Bruce amid his illness battle: "For me, there was never a questi...