how you really feel!Sometime before debuted her new , the reality star with sister Kourtney Kardashian for the latest installment of Vanity Fair's lie detector test…and let's just say she didn't hold back. I mean, she was strapped to a polygraph test, can she really be blamed for being honest?During her time in the hot seat, Kourtney asked her younger sister how she really felt about her wedding dress.