Charlie Sheen’s estranged wife Brooke Mueller in rehab?

London: Charlie Sheen`s estranged wife Brooke Mueller has reportedly gone back to rehab after she refused to take a drug test last week.

The former real estate agent who recently came to a custody arrangement with Sheen about their two-year-old twin sons Bob and Max, is said to have entered an undisclosed facility after she refused a drug test on Friday which she is required to do as part of the custody settlement, reports femalefirst.co.uk. According to gossip website TMZ, Mueller went on a drug binge last week and she decided to go into rehab before Sheen`s lawyers raise the issue in court. Brooke has a history of substance abuse and had agreed to take a drug test every week until Bob and Max turn 18, recently insisted she was a good mother and the boys were healthy and happy. IANS