Khloé Kardashian called the fashion police on sister Kim Kardashian, comparing the reality star to a prostitute thanks to her very revealing outfit!

On the upcoming episode of KUWTK, Kim arrives to her brother Rob Kardashian's house wearing a black mini-dress and choker, forcing Khloé to almost choked on her frozen yogurt.

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"Oh my…you gotta get out of here,” Khloé says when she walks in. "Kimberly, how much are you?"

Even the Kimoji creator was aware her ensemble was less than appropriate for daytime.

"Yeah, the neighbor did kind of look at me like hooker city," the mother-of-two said between laughs.

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However, this look is nothing compared to Kim's recent decision to step out wearing a sheer top that exposed her nipples!

Thanks for always keeping it real KoKo! To see how much the famous family has changed over the years, check out the gallery below!