KELLY OSBOURNE has booked herself in for another bout of rehab.

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The Radio 1 DJ, daughter of Sharon and Ozzy, plans to stay in a clinic near Los Angeles for 30 days to clean up an unnamed problem.

“Yeah, Kelly’s in rehab,” said Sharon Osbourne.

“What else can we say? She knew that it was the right thing to do at this point and we’re proud that she did it. The family is all standing behind her. Kelly knew that she needed help and she’s getting it.

“We just pray that everything’s going to be okay.”

This makes it a hat-trick of rehab visits for Kelly, who starred in Chicago at the Cambridge theatre last year. Both previous efforts were for an addiction to painkillers.

The singer/actress was arrested last week for an alleged assault on a journalist.