‘Fifty Shades Darker’ Cast Update: Charlize Theron Rumored to Play Elena Lincoln

Has the casting for "Fifty Shades Darker," the sequel to the romance flick "Fifty Shades of Grey" started?

According to the latest reports, British singer Rita Ora will reprise her role as billionaire Christian Grey's little sister, Mia Grey. The 24-year-old "Black Widow" artist will reportedly be in the third movie, "Fifty Shades Freed" as well.

Although Ora's role has been confirmed, there are still other roles that need to be filled. A new rumor is claiming that Oscar-winning actress, Charlize Theron, will play Elena Lincoln, a former love interest to Grey. Lincoln, who was Grey's sexual dominant, will affect the relationship between Grey and his new love, Anastasia Steele. In "Fifty Shades of Grey," Grey introduces Steele into the world of BDSM and tries to get Steele to agree to become his submissive.

Another rumor is claiming that model/actress Cara Delevingne will play Leila Williams. Williams is a former submissive who comes back into Grey's life.

Jamie Dornan and Dakota Johnson will return as Grey and Steele, respectively.

A new director has not been announced yet. Sam Taylor-Johnson directed the first movie and has since departed from the project.

There is no word on when "Fifty Shades Darker" will start filming. The movie is expected to be released in 2017.