By Jen Heger - Breaking Celebrity News Legal Editor

After three months of rehab, Charlie Sheen's ex-wife, Brooke Mueller, has been released from the renowned Cirque Lodge in Sundance, Utah, Breaking Celebrity News is exclusively reporting.

Brooke,34,was arrested last December in Aspen, Colorado, for assault and possession of cocaine. Mueller will face a judge in Aspen in several weeks for her formal arraignment on the charges.

"After successfully completing an intensive three-month drug and alcohol treatment program, Brooke returned to Los Angeles yesterday and has immediately begun an aggressive outpatient program that includes a sober companion. Brooke is feeling better than ever before, and is committed to continuing treatment for as long as necessary to maintain her total and complete sobriety," Brooke Mueller's rep, Steve Honig, tells Breaking Celebrity News.