New episode, also featuring ‘Top Chef’ judge Padma Lakshmi and talk-show host Wendy Williams, airs at 11 a.m. Saturday on MTV. By Aly Semigran Rob Kardashian Photo: MTV News On Thursday, Rob Kardashian turned 24, but MTV asked the reality star to rewind the clock a few years and reflect on life at 17. In the new episode of “When I Was 17,” Kim, Khlo
