Whitney Houston has returned to rehab, a rep for the singer confirmed this morning.

According to new reports, Houston, who has publicly battled problems with drug and alcohol addiction for years, admitted herself into an out-patient rehab program about 10 days ago to deal with her substance abuse issues as a part of her “long-standing” recovery process.

A music industry source who was with Whitney two weeks ago told TMZ: “She was plastered and she was a mess.”

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