A teen had no idea what was on the other side of her practice graduation walk. Her brother, who has been living in Japan while stationed with the Air Force, was waiting to congratulate her. Brittany O'Keefe hadn't seen her brother Devancy Jefferson in a year. He flew with his family all the way to Tennessee for O'Keefe's graduation ceremony. O'Keefe also got to meet her young niece, Devancy's daughter. InsideEdition.com's Mara Montalbano has more.