Pregnant reality star Kim had her tape with ex-boyfriend Ray J leaked in 2007, while Paris' tape with then-boyfriend Rick Salomon was released in 2004.
Kim and Paris were childhood friends and often pictured together on the red carpet in their 20s before they grew apart.
Speaking to Rolling Stone, Kim was asked if the sex tapes had brought them closer together because of their similar experience.
"I don't think she was that happy," said Kim. "We didn't really talk about it. I probably would have thought, 'Oh, my gosh, let me give her advice,' but we had no communication. But our friendship had fizzled before that."
As for who leaked Kim's tape with Ray J, she would only say: "We're in major confidentiality so I can't talk about it."
Kim, who is now married to Kanye West and expecting their second child, added that she doesn't really think about the tape anymore: "I thought about it for a long time but when I get over something, I get over it."
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