But, the lady in question isn't trying to lose her curves, instead she just wants to keep that famously fab butt in shape.
However, Kim claims that dancing is different than hitting the gym.
"You use different muscles. I definitely feel my legs toning up. It's really good to mix it up and do something different," The New York Daily News quoted her, as saying.
In fact, American stylist cum actress has already lost a few pounds.
"Nothing too crazy yet, but I heard that you really start to lose weight when the show starts," said Kardashian.
She has claimed that just preparing for dancing can be a workout in itself.
In fact, the reality star works out heavily in the gym, before heading to dance practice.
"My boyfriend (NFL star Reggie Bush) taught me lots of weight training exercises that I didn't do before. I really want to be toned. You want to look good when you're on vacation in a swimsuit," she said.