(Radio.com) The Hollywood Reporter has reported that pop star Rihanna revealed some big acting news during the San Diego's Comic-Con which took place this past weekend.

In a video, she announced that she has been cast to play a pivotal role in A&E's Bates Motel for the fifth and final season. She said, "It's your girl RiRi. Let me tell you what a bad b-- is about to do.

"I am about to check into the 'Bates Motel' very soon. Guess what else? Guess who's playing Marion?" Actress Janet Leigh originally played Marion, an ill fated guest, in Alfred Hitchcock's 1960 film Psycho (on which Bates Motel is based). Read more here.