CALIFORNIA (ES)Brooke Mueller has left rehab. The former wife of Charlie Sheen - who was undergoing her 19th attempt at beating drug addiction - checked out of the treatment facility after just six days on Monday. According to gossip website TMZ, Brooke, 35, is undergoing ‘’ongoing psychological outpatient treatment’’ and is ‘’feeling much better,’’ after a suspected overdose on prescription medication Adderall before being admitted to rehab.