Brooke Mueller heads to rehab

Charlie Sheen's ex has checked into a "sober living facility" -- i.e. rehab -- a mere week after scoffing at rumors she had been forced into one by her family over Thanksgiving.

A source close to Brooke Mueller says Kathy Hilton dropped the longtime recovering addict off at the sober living house. Brooke is in the midst of filming a reality TV show with Kathy's infamous daughter Paris Hilton. This begs the question: Why didn't Kathy drop off Paris along with her pal?

Brooke's friendship with Paris could not come at a worse time: Paris is a known recreational drug user, and the last person a recovering addict should be hanging out with during a highly stressful time, like, say, when the father of your twin babies has a drug-fueled rampage in a hotel room with a porn star.

Mueller's lawyer confirmed to TMZ that she checked into the sober living house to "maintain her health," and says she did not have a relapse and can come and go as she pleases.

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