United Kingdom, May 21 -- Khloe Kardashian feels "really, really terrible" that a decision she made left her cats "miserable".

The 41-year-old reality star has expressed her regret at listening to bad advice and getting her two pets declawed - which involves having all or part of a cat's third toe bones and the attached claws removed - because she is now afraid to let them roam freely outside because they can no longer protect themselves against perceived threats.

Speaking on her Khloe In Wonder Land podcast, she said: "I was really misadvised about getting my cats declawed.

"I've never owned cats before. I didn't even know that was a thing.

"I feel really, really terrible that I did go in this direction. I feel like that's why my cat...