The 31-year-old told Allure magazine that Khloe asked for her help after she and hubby Lamar Odom tried - and failed - to have kids of their own.
"Khloe joked with me and said: "Will you be my surrogate?"", Kim revealed.
"I said, "I think I have a couple more years when I just want my body to myself. At 35 I promise I'll consider it.""
The soon-to-be divorcee added that she "absolutely" still wants kids of her own, but has learnt to be cautious, and says her next relationship will definitely "be more private."
Famous (for nothing) last words...