TMZ has learned Bonnie Pointer -- from the Pointer Sisters -- is the newest star to join the cast of "Celebrity Rehab."
The 59-year-old singer has a storied history of drug abuse -- we'll see if Dr. Drew Pinsky can help out.
Pointer will join Shauna Sand, Tila Tequila and bunch of other people you may or may not care about who have already signed on to the show.
Pointer Sister Set for 'Celebrity Rehab'
6/4/2010 4:15 AM PDT BY TMZ STAFF
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