Brooke Mueller upset with Denise Richards over kids' custody

Charlie Sheen's ex-wife Brooke Mueller is upset with Denise Richards over the issue of custody of her twin boys.
Mueller's kids are currently being looked after by Sheen's other ex-wife Denise Richards, reported People magazine.
Richards has two daughters, Lola and Sam, with Sheen, and adopted another daughter, Eloise, on her own. She has cared for Mueller's children on several occasions when Mueller was battling with drug in a rehab.
Sheen supports the arrangement and has often gushed about Richards being "a stable, very maternal" influence on the twins.
"He loves those kids. But he's got a crazy work schedule, filming two shows a week and would rather they spend time with Denise and their daughters than with a nanny at his empty house."

Even Mueller, 35, initially supported the decision. But she has reportedly changed her stance on the issue. She is not happy with Richards stepping in for her while she completes rehab at the Betty Ford Centre.
"Brooke is angry that Denise may take the kids. She's decided she wants the boys to be with her brother and sister-in-law," the source added.