Rumors that Rob Kardashian is dating sister Kylie Jenner's boyfriend's ex-fiance Blac Chyna seem to be tearing the family apart. Rob typically lies low and doesn't generate much press, but the Internet went wild yesterday when Blac Chyna posted a photo on Instagram of Rob hugging her, captioning the photo, "The beginning."

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Though only Rob's tattooed arm was visible in the photo, Kardashian-obsessives were quick to identify that it was Rob in the pic. Blac Chyna and Tyga's relationship was no casual fling. The two have a 3-year-old son together. Kylie is reportedly enemies with her boyfriend's ex and is now furious with Rob.

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Kris Jenner took to Instagram, eluding of the stress the situation is putting on the family. The momager posted a big bouquet of flowers, captioning the photo: "Had a challenging day & walked in the door to this gorgeousness that put the biggest smile on my face and in my heart.

So far, no one else in the family has sounded off on the dating rumors.

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