Khloe Kardashian admitted she "knocked out" one of her brother Rob Kardashian's teeth.<br /><br />The reality star recalled a story involving her younger brother, in which a play fight turned nasty.<br /><br />Khloe, who recently gave birth to her daughter True, revealed she Rob had a fight in a car for an hour and a half and she hit him so hard she knocked out his tooth. <br /><br />The new mother added there was blood everywhere and admitted it was quite the car ride for their Dad’s friend, who was the driver. <br />
