Lamar Odom Reveals Why He Hasn't Reached Out to Khloe Kardashian, If She Knew He Was Using Drugs, the Extent of His Cheating, & More

Lamar Odom appears to be prepping to tell-all in his upcoming special TMZ Presents: Lamar Odom: Sex, Drugs & Kardashians, airing tonight on Fox.

Several new clips have been released in which Lamar Odom speaks about cheating on Khloe Kardashian, his ex wife, using drugs, and more. Lamar and Khloe married in 2009 and split in 2013.

Click inside for the major revelations we know so far…