One of the first things you notice about Jenna Lyons, the former J. Crew creative director and president, in her unlikely turn on the Real Housewives of New York City, is a certain shyness. Lyons is a bit of a wallflower, a towering one at 6 feet, for sure. But the realization that Lyons, with her impeccable style and legendary shoe closet, is something of a quiet oddball comes as a surprise for those tuning in for the series reboot.