Keeping Up with the Kardashians Rob Kardashian: Milkshakes started all my weight gain 08/30/2015 Rob Kardashian jokingly blamed milkshakes for his weight gain Thursday on Instagram. Read More RELATED NEWS Kim Kardashian reveals if she wants to get married again or have more kidsKim Kardashian celebrates her 42nd birthdayKanye West apologizes to Kim Kardashian for "any stress" caused TAGS: Kris Jenner Kylie Jenner Khloe Kardashian Kim Kardashian Rob Kardashian Kanye West Tyga