'Celeb Rehab' Rocker Mike Starr Dead

3/8/2011 7:58 PM PST
Former Alice in Chains bassist Mike Starr died in Utah ... TMZ has learned.

Mike Starr Dead

Starr appeared on the third season of "Celebrity Rehab" back in 2009 -- and was arrested last month for felony possession of a controlled substance. Salt Lake City cops say he had 6 Xanax pills and 6 Opana (painkiller) pills when he was busted.

Starr was 44 years old.

Mike's dad tells TMZ, "It's a terrible shock and tragedy."

UPDATE: Police tell us Starr's body was found in a Salt Lake City home today. Cops say they were called to the house at 1:42PM.

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