Kris Jenner put on a brave face to celebrate her daughter Kylie Jenner's new venture on Thursday - three days after her sister Karen Houghton's shock death. Kris, 68, arrived to Catch Steak alongside her boyfriend Corey Gamble, 43, and was also joined by her daughter Khloe and actress Sofia Vergara Kris looked sharp in a 70s-inspired white suit with …