Khloe Kardashian and Lamar Odom separated?  After months of Khloe Kardashian Lamar Odom cheating and divorce rumors, sources say the Keeping Up with the Kardashians star and the NBA player have finally had their break up.  Separation is usually the first step towards divorce.  Some sources are saying that Lamar Odom's alleged drug addiction is the reason why they are separated.

A source told Radar Online that while "Khloe is a strong girl, the cheating rumors have worn her down."

A source told Hollywood Life some insider info about the Lamar Odom drug addiction rumors and Khloe Kardashian's response to the cheating and divorce rumors: "She's totally embarrassed because everyone thinks Lamar has been cheating and that she hasn't been able to give him a baby. But in reality he's been doing drugs and she hasn't wanted to start a family with him while he's like that. She's never been able to tell everyone the truth because she's been protecting him."

If divorce happens after Khloe Kardashian and Lamar Odom are separated, a prenup they signed before the marriage with a cheating clause could ensure that Khloe $500,000 for every year of marriage.

Khloe Kardashian had a twitter rant recently due to the cheating, divorce and now drug addiction rumors following her and husband Lamar Odom.   Lamar Odom crack and oxycontin use is alleged by sources, in addition to cheating with two mistresses, but Khloe Kardashian's swear-filled twitter rant sounds like she is not happy about "people talking sh** about my family".

Khloe Kardashian and Lamar Odom have been dealing with cheating and divorce rumors due to two alleged mistresses emerging, Jennifer Richardson and Polina Polonsky.

Sources are saying that the strain in their relationship is due to drugs and that Lamar Odom is addicted to oxycontin and crack cocaine, and has been to rehab!

Watch Khloe Kardashian Lamar Odom Divorce Rumors Here:

TMZ reported about these sources who talked about a possible Lamar Odom drug addiction to oxycontin and crack cocaine, claiming that "Lamar has had a problem for 2 years.  It got so bad, last August Khloe pressured Lamar to go to rehab.  Lamar went to a facility in San Diego, but he was so resistant Khloe hired private investigators to secretly stand guard at the rehab place to make sure he didn't leave.  The P.I.s stood guard 24/7.

"Our sources say Lamar constantly threatened to leave and Khloe made several visits to prevail upon him to stay.  We're told after 3 weeks, Lamar left for good.

"We're told Lamar actually stayed clean once he left rehab and was able to play well for the Clippers this past season.  But when the season was over, sources say Lamar slipped deep back into hardcore recreational drugs."

TMZ also reports that their sources say Khloe Kardashian thinks the Lamar Odom cheating happened, but is more concerned about the drugs.