Lamar Odom, Rob Kardashian Drug Abuse: Khloe Kardashian Angry With Rob For Knowing About Hardcore Drug Addiction

Rob Kardashian is rumored to have known about Lamar Odom's alleged drug addiction.

According to RadarOnline.com, the NBA star has an alleged addiction to OxyContin and Ambien and not crack cocaine as reported earlier, and Rob has known for a year now.

An insider told RadarOnline, "known about Lamar's drug addiction for over a year. How could he not as he has lived under the same roof with Lamar and Khloe? Rob even spent a significant amount of time with Khloe and Lamar when he was traded to the Dallas Mavericks." 

 The source added, "Rob isn't a party animal like Lamar, and drugs just aren't his scene. The two used to be very close, but have drifted apart because Lamar has been abusing Oxy and cheating on Khloe. Rob has continued to live at the Tarzana mansion to support Khloe, he really has her back."

MStars News previously reported:

Khloe Kardashian and Lamar Odom have moved back in together and their separation is over. 

According to Hollywoodlife, when the couple reunited after a long separation, it was a tearful moment, "He broke down, literally broke down in tears when he was with her yesterday," the source revealed. "He has more shame than anything. Khloe held him, and she cried too. It was a sob fest."

Recently, Khloe lashed out at Lamar Odom's drug addiction rumors tweeting,  "Really hard to sit here and listen to people talk s**t about my family! F**k you and shame on you! I'm too protective for this s**t!"