Volver star Penelope Cruz has sparked reports she is secretly a Scientologist after regularly spending time at the religion's Celebrity Centre in Los Angeles.The Spanish actress split from devout Scientologist Tom Cruise in 2004 after a three-year relationship, but has apparently retained an interest in the controversial religion.According to Us Weekly, the 32-year-old was a regular visitor at the Scientology Celebrity Centre in the two weeks leading up to the Academy Awards.A source explains, "She spent several afternoons there. When she's in Los Angeles, she goes often."