News 'Twilight' Star to Be a Dad By Antoinette Bueno 9:33 AM PST, February 6, 2012 Getty Images Congratulations are in order for Jackson Rathbone -- the 27-year-old actor/musician best known for his role as Jasper Cullen in The Twilight Saga is going to be a dad! Rathbone and his girlfriend Sheila Hafsadi are to become first-time parents this year. Vid: First Look: 'Breaking Dawn Part 1' DVD ExtrasThe couple "is thrilled and excited to be expecting their first child," his rep confirms to Us Weekly. Vid: 'Breaking Dawn' BloopersHafsadi, a burlesque dancer, reportedly met Rathbone during a tour stop with his band 100 Monkeys. According to an Us Weekly source, she is currently five months pregnant.