Rob Kardashian surprised everyone when he made an appearance at Khloe Kardashian's 36th birthday party over the weekend. The only Kardashian brother, 33, returned to Instagram on Sunday night to share a string of pictures of himself at the bash as he posed with with sister Kourtney Kardashian, 41, and her ex-boyfriend Scott Disick, 37; Khloe’s on-off boyfriend Tristan Thompson, 29, and other guests.
He looked happy and appeared to have lost a lot of weight after struggling with his size for years. His surprise comeback follows his years of being the only recluse in the world's most famous family - but where has been hiding?
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