Original sentence: Jenner dated actress and fellow reality TV personality Kristin Cavallari of Laguna Beach: The Real Orange County, for one year, just after a terrible split with long term girlfriend Jillian Moffett whom he was also dating her best friend Bethany Morrison at the same time.Luckily they both were unaware of his former flame, Abby Bloom, who went on to become a major face for Calvin Klein
Edited sentence: Jenner dated actress and fellow reality TV personality Kristin Cavallari of Laguna Beach: The Real Orange County, for one year