UPDATE: According to TMZ, Lamar Odom has been missing for about 3 days, his friends and family don't know where he is and are worried he's off somewhere on a drug binge.
TMZ is reporting that crack cocaine is Lamar's drug of choice and that he's been using for at least 2 years. TMZ previously reported that Khloe Kardashian kicked Lamar Odom out of their house because he won't get help for his drug problem.
There have been a lot of rumors recently about Lamar cheating on Khloe but from what TMZ reports, it's Lamar's drug use that is the big problem.
According to TMZ, Lamar went to rehab for 3 weeks but picked up his drug problem after he got out, the family eventually staged an intervention for Lamar to get more help but he refused.
More on the story and pictures of Lamar packing his bags TMZ.com
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