Is Lamar Odom worried that Rob Kardashian would be dumped by Blac Chyna sooner than later? This could be so…not true!

A new report claims the former NBA star, who was once best buddies with Rob, is concerned for the 29-year-old now that he's getting married. Lamar allegedly believes Chyna is just using him to get fame and power.

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"Lamar fears for Rob’s heart. They haven’t been as close as they were in the past, but he is still looking out for his little brother and Lamar thinks Blac may be up to no good. Lamar has warned Rob that Blac may be playing him for fame and power, but Rob is blinded by love and won’t listen to anyone that has anything negative to say.

"Lamar knows better than anyone close to Rob how much broken hearts hurt, so he is trying to save Rob from some of the mistakes he has made in life,” a source exclusively tells Hollywood Life.

READ: Wendy Williams laughs at Rob Kardashian, Blac Chyna engagement "it's not a real marriage"

The source added that Kris Jenner also thinks Rob is making a big mistake. "Kris is not happy. But she will say she is. Dating Chyna is one thing, but marrying her is another."

Another source told Us Weekly, "The family is even trying to come up with a plan to stop a wedding from happening! The whole family is discussing it and is angry, but they are talking to come up with a unified front for how to address it … It’s a huge mistake to them."