Khloe Kardashian and Lamar Odom are dealing with rumors about divorce and cheating within their marriage.  New Reports have come out about Lamar cheating with Polina Polonsky as a possible second mistress.  Prior to this, Reports came out about Lamar cheating with Jennifer Richardson, who claimed to have had an affair with the NBA star.  Khloe and Lamar have been dealing with the fallout from the cheating rumors since, including rumors of possible divorce.

According to Radar Online, a family insider said Khloe Kardashian called "Kris very, very early on Wednesday morning after reading about Lamar's latest mistress coming forward."

The source added, "She has been crying hysterically. Kris has been trying to calm her down, but Khloe seems to know in her heart that Lamar has been indeed cheating on her. Lamar is Khloe's entire world, and she can't understand why he would cheat on her. It's really, really sad, because she loves him so much."

Kardashian is shaken after finding out that Lamar's mistress took and passed a lie detector test and Odom hasn't allegedly denied these affair allegations compared to Jennifer Richardson's.

The source said, "Lamar hasn't been denying the affair as strongly as he did with others in the past. Khloe is literally feeling sick to her stomach. It's just gut wrenching to watch her go through this.

A source for Radar Magazine tells more about Lamar's other alleged mistress Jennifer Richardson: "According to Lamar, Jennifer is a notorious NBA groupie, and follows various teams around during the season. Jennifer has been relentless in her pursuit of Lamar. Khloe is aware of the temptations Lamar faces out on the road, and she is choosing to believe him at this point."

According to Star magazine, Lamar Odom's alleged mistress Jennifer Richardson has a treasure trove of mementoes proving she and Lamar had a relationship for several months.

Jennifer collected plane tickets, invoices and game tickets that a  pal claims are from her time on the road with Lamar, which lasted from  December 12, 2012 until February 12, 2013.

Watch Khloe Kardashian video here: