Actress Mila Kunis popped up once again in the continuous online casting craze of the upcoming "Fifty Shades of Grey" movie. This time, the "Sexiest Woman Alive" of Esquire magazine expressed her interest to portray the role of billionaire Christian Grey's love interest, Anastasia Steele.

According to the "Friends with Benefits" actress, she would definitely have fun in portraying Anastasia Steele who agrees to have a dominant and submissive sexual relationship relationship with Christian Grey. "There are times when you just want to do something fun and different because you're going to have a good time doing it," Kunis stated.

The "Fifty Shades of Grey" novels became an instant success in 2012 with more than 65 million copies sold. It has then inspired film producers in bringing the erotic novels to the big screen. Michael DeLuca and Dana Brunetti will be producing the highly anticipated movie adaptation.

Recently, screenwriter Kelly Marcel revealed that "Fifty Shades of Grey" movie will still stay close to the story on the books and have a lot of sex scenes. According to Style Magazine, the film producers agreed to have the NC-17 rating for the film. "It will be raunchy. We're 100 percent going there," Marcel confirmed.

The 29-year-old "That 70's Show" star is not the only celebrity who has the desire to be cast in the "Fifty Shades of Grey" film. Ian Somerhalder, Alexander Skarsgard and Emma Watson have expressed their interest in portraying the main characters of the upcoming movie.

There are still other actors and actresses that "Fifty Shades of Grey" enthusiasts consider perfect for the two leading characters with their on-going casting polls online. Matt Bomer, Chris Hemsworth and Henry Cavill are the potential actors who could be Christian Grey while Felicity Jones, Lucy Hale and Alexis Bledel vie for the Anastasia Steele role.