Oh gosh, we have a feeling this comment is going to cause A LOT of controversy.
Spoiler alert: Keeks answer might shock you!
The 34-year-old explained to Australian radio outlet, 92.9:
And from the sound of things, the sisters got pretty candid!
"When you fight with your siblings, you could be ruthless and evil."
Wow! Not mincing words at all! Kim added:
"Like, nothing's ever off limits."
Whoo! We can't wait to hear the whole interview next week to find out what they say when they really go for the throat!
[Image via WENN.]