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The Kardashians

Rob Kardashian Takes That New Woman to Dinner — With Mom! (PHOTOS)

Update: We now know that Rob's mystery girlfriend is British beauty Naza Jafarian.

Remember that Instagram mystery woman we speculated might be Rob Kardashian’s new lady love? The plot thickens now that he’s been spotted taking her to hot London eatery Nobu on Tuesday, April 2. And the new couple might even be getting serious, since they met up with his mom, Kris Jenner, at the restaurant.

Click through for more photos from the dinner date!