Khloe and Kim Kardashian
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"She made a mistake, she has to pay the consequences, and she's definitely willing to," Kim, 27, said Wednesday on The Wendy Williams Show.
Khloe, 24, was hit with 30 days in Los Angeles County jail after violating probation for a DUI arrest. She didn't complete roadside cleanup duty or enroll in an alcohol education class, as had been required.
"It's a 30-day sentence and you have to do 10 percent, so it's three days," Kim explains.
But don't expect the L.A. social scene to stay quiet without Khloe for long, Kim promises.
"It's a weekend, so she'll miss the club for a weekend," Kim says.
