Khloe Kardashian, Lamar Odom Relationship on the Mend? Odom Promises Sobriety Tests to Show Devotion

Khloe Kardashian and Lamar Odom are said to be on a path towards reconciliation after insiders close to the couple reveals that Odom has promised to undergo random drug testing to prove his sobriety.

"Lamar has volunteered to undergo random drug tests anytime that Khloe requests. The drastic maneuver impressed Khloe, but she is still is very concerned that Lamar has refused to go to rehab," an insider told Radar Online.

While rehab may not be on the horizon Odom's insistence on not hanging out with possible bad influences is a good sign for the troubled couple.

"Lamar has also stopped hanging out with his shady drug friends, and has cut off all contact with them. There was a time when Khloe would call Lamar and he wouldn't call her back for hours, or even days, as he would disappear on drug binges," the insider added.

Another positive sign the two are on the mend is the fact the two are now starting to go out in public together, most recently they were seen at Kanye West's concert at Staples Center is Los Angeles.

"Now, whenever Khloe calls him, Lamar almost always answers the phone, and if he doesn't, he calls her back right away," the source said. "Lamar is doing everything possible to try and get his marriage back on track."

Sources close to the family reveal Jenner has been "acting as the de facto marriage counselor and mediator between Lamar and Khloe," to

While the celebrity couple has had a difficult past couple of months, Kris is supporting Khloe while advising her to fight for her marriage.

"She is encouraging Khloe not to give up on her marriage and not file for divorce … Khloe hasn't been able to forgive him yet, but a divorce likely won't happen," the insider added.