HOLLYWOOD – Actress Mila Kunis has emerged as the frontrunner for the lead role of Anastasia Steele in the Fifty Shades Of Grey film. The 26-year-old brunette's girl-next-door charm has propelled her to the top of the list of actresses being considered to play the naive female lead, who becomes lured into an S&M lifestyle by billionaire Christian Grey. Harry Potter star Emma Watson and Twilight actress Kristen Stewart are also favorites to star in the big screen adaptation of EL James' erotic bestseller. Ryan Gosling and The Vampire Diaries star Ian Somerhalder are popular choices to play mysterious businessman Christian. Meanwhile, Kelly Marcel has been chosen to write the script for Universal and Focus Features' new movie. – Agencies