Khloe Kardashian has revealed she's secretly been suffering with migraines since she was just a pre-teen.The 36 year old, who recently stunned fans as she looked "unrecognisable" in a snap, explained that when she was 12 years old she started experiencing debilitating headaches that would leave her bedridden for hours. Speaking to website Prevention: "I vividly remember how I felt, but mainly I remember how everyone told me that I wasn't feeling what I felt.