Being Kim Karashian West's assistant/personal photographer is no easy task -- perfect selfie lighting doesn't just appear.

You also have to pay close attention to make sure you're not fooled by Kim's formidable trolling skills, as displayed by the way Kim is celebrating the birthday of her right hand woman, Stephanie Shepherd.

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Kim followed up the posts with a serious message thanking Shepherd for being her, "main bitch."

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