Kardashian Feud Explodes! Rob Slams 'Unsupportive, Disgusting Family'
Aug. 22 2016, Updated 10:31 a.m. ET
Don't kross Kourtney!
On last night's episode of Keeping Up with the Kardashians, family black sheep Rob finally pissed off his #1 supporter, oldest sister Kourtney — and it wasn't pretty.
When Rob's pregnant fiance