Blot Chyna's Arm Looks Like Rob Kardashian's

Blot Chyna took to Instagram on Monday to share a close-up black and white picture of herself with heavily tattooed arm wrapped around her. Within one hour, a whirlwind of speculation was brewing over the fact that the arm in question looks suspiciously like Rob's. Here's a quick recap to catch up on what's going on and why this is wildly unexpected.