Kardashian to tone bum on 'Dancing'

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Kim Kardashian has said she will tone up her bum and "use it" on Dancing With The Stars.

The socialite is among the 13 celebrities taking part in the US reality show.

Speaking about her bottom, Kardashian told People: "I'm hoping that it'll firm it up and shape it up.

"Everyone is asking if I'm worried it's going to go away. No, it's going to tone it up. I can use that."

On the subject of her costume choices, she said: "Today the costume that I tried on wasn't as crazy [but] the better shape that I get into they will be a little more sexy and risqué.

"I'm starting off with maybe a ball gown, something a little bit more elegant and a little bit more covered up."

The other stars taking part in the dance contest include Toni Braxton, Lance Bass, actor Ted McGinley, Cloris Leachman, American football star Warren Sapp and chef Rocco DiSpirito.

Also in the lineup are athlete Maurice Green, beach volleyball player Misty May-Treanor, soap star Susan Lucci, comic Jeffrey Ross, Cody Linley and Brooke Burke.