Caitlyn Jenner was named Barbara Walters? most fascinating person of 2015 during her Most Fascinating People special Thursday night on NBC. Walters honored Jenner?s past as an Olympic gold medalist, where the reality star?s road to notoriety began. In lieu of an interview, Jenner was honored with a montage of her achievements over the past year and clips from her reality show I Am Cait. During the show, Walter said, "Through her own transformation, Caitlyn Jenner transformed society this year, and that, for us, makes her the most fascinating person of 2015.?