Khloé Kardashian Says Her Dedication to Fitness Began as a "Revenge Body"

On the enviable genetics of younger sisters Kendall and Kylie: “I’m not going to put on a bikini, sit on the floor with my legs crossed, and eat a burger. When I see my little sisters do that, I’m like, ‘Ugh, these bitches.’ I know they’re not doing it on purpose. This is how they really eat and it’s so annoying."

Read the full interview in the September 2015 issue of Women's Health Magazine, available on newsstands Aug. 11.