VIDEO : Rihanna Asks for Prayers After Her Backup Dancer Shirlene Quigley Is Reported Missing

The search is on for a celebrity backup dancer who has performed with the likes of Beyoncé and Rihanna. According to NBC New York, Shirlene Quigley was last seen getting on a bus at the Port Authority Bus Terminal in New York around 1 a.m. local time Sunday. Her father, who usually receives a phone call from his daughter every night, grew concerned when he didn't hear from his family member.