Denise Richards says looking after Brooke Mueller's children when she needs help is her version of "normal".
The actress has daughters Sam, eight, and seven-year-old Lola with her ex-husband Charlie Sheen. The actor also has three-year-old twins Bob and Max with his ex-wife Brooke Mueller, who was recently hospitalised after an overdose. She then checked into rehab to be treated for Adderall abuse, with Denise stepping in to look after the boys.
Although Denise knows their family life isn't conventional, she is happy with it.
"They're our family and they're Sam and Lola's brothers and I can't imagine growing up without my sister, so anytime she needs help, I'm there for the boys," she told Access Hollywood.
"[Sam and Lola] are the best big sisters to [the boys] and they love them.
"I know it doesn't seem normal, but it is our normal. They're little kids and I love children, and like I said, it's our daughter's brothers, so I can't say no."
This was understood to be Brooke's 19th stint in a treatment facility as she has a long-standing problem with drugs. Her split from Charlie was tumultuous, with Brooke getting a restraining order against her ex at one point.
Her problems mean Denise has taken care of Max and Bob in the past, and the 41-year-old insists she would be only too happy to do so again.
"[The twins] are back with Brooke Mueller [now]," she explained. "This is not the first time I've had all five, they're Sam and Lola's brothers. It was a full house, lots of love and life. Brooke knows anytime, and Charlie, that any time they need help with the boys, that I'm there."
Charlie is understood to have been too busy working on his new TV show Anger Management to look after his sons.
Brooke checked into rehab after becoming "uncomfortable with the way Adderall was making her behave", according to her lawyer.
The pills are used to treat attention deficit hyperactivity disorder.
"Brooke continues her lifelong battle with drug addiction by taking these steps herself to prevent a further drug relapse," attorney Yale Galanter added.
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