Brooke Mueller is back in rehab, TMZ reports.
According to the site, Mueller spent the week binging before checking in to an unspecified facility.
Report: Brooke Mueller refuses court-ordered drug test
The news comes days after Mueller refused to take a court-ordered drug test that is part of her child-custody agreement with Charlie Sheen. Refusal constitutes as a failed test.
Mueller has been in rehab twice in the past year.
Sheen and Mueller's divorce was finalized in February and becomes official May 2. They have 2-year-old twin boys, Max and Bob.