Khloe Kardashian has often remarked on the fact that she does not look much like her sisters Kourtney and Kim she's taller and Fairer. Now, two former wives of her father, Robert Kardashian, suggest to Star Magazine that Khloe is not his daughter.Khloe's mother, Kris Jenner, has admitted to having affairs while married to Robert, but says that she has no doubt as to Khloe's paternity . "I've never heard such crap in my life," Jenner said on Good Morning America. "I gave birth. I know who the dad was."