Rob Kardashian compares Kim K to bitch from 'Gone Girl'

Rob Kardashian has compared his elder sister Kim Kardashian to the 'Gone Girl' psychopath character Amy Dunne.

The American reality star posted a picture of Amy Dunne on Instagram and accompanied it by calling his 34-year-old sister the bitch from 'Gone Girl', in the caption, TMZ.com reported.

Rob un-followed his entire family from Instagram, just after his shocking post.