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The Kardashians are no longer interested in keeping up with Caitlyn Jenner.

While speaking at the Cambridge Union Monday night, the transgender reality star said her relationship with the girls has been nonexistent since the release of her memoir "Secrets of My Life."

"It's been a little bit tough over the past couple of years on the Kardashian side," Caitlyn said. "To be honest, I don't talk to them anymore. Kim I haven't talked to in a year. They don't want me in their lives, they bashed me pretty badly. It's devastating when your kids do that. It really hurt."

Caitlyn said her relationship with biological daughters Kendall and Kylie Jenner is still strong, but the Kardashian side of the family was not pleased with her book.

"I tried to be honest in my book -- very fair and very nice. Unfortunately, they didn't take it that way," she said. "In the book I express some opinions and got shut down. It was not about the Kardashians. They were only mentioned on 20 pages. They made it more about them on television. The book was about my life. That caused a lot of the separation between us."

Back in April when the book was first released, Caitlyn's ex-wife Kris Jenner blasted the memoir as "all made up."

"My heart breaks for my mom, you know, because I feel like she's been through so much and she's promoting this book and she's saying all these things," Kim said. "I don't think it's necessary and I just feel like it's unfair, things aren't truthful."

See more Caitlyn/Kardashian drama below: