Whitney Houston
Credit: Steve Granitz/

After cleaning up and returning to the spotlight in 2009 with a new album, I Look to You, it appears that Whitney Houston is still fighting her demons. People reports that the embattled singer is participating in an out-patient treatment program for substance abuse.

“Whitney Houston is currently in an out-patient rehab program for drug and alcohol treatment,” her rep says. “Whitney voluntarily entered the program to support her long-standing recovery process.”

Houston, 47, talked about her addiction to cocaine two years ago on Oprah. “Follow me here, Oprah,” she started, explaining she was “lacing marijuana… with rock cocaine.”

Houston’s current program allows her to be out and about. Last week she was spotted on stage with Chaka Khan at Prince’s Welcome 2 America tour, singing “Tell Me Something Good”—and sounding good.

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