Just Jared | Margot Robbie sports dark locks at Oscars Business Standard The 23-year-old, who first debuted with dark hair for her role in the movie "Z for Zachariah" in January, attended the awards gala Sunday, reports people.com. Robbie, who was the lead actress in "The Wolf of Wall Street", wore a black strapless Saint Laurent ... 'Wolf Of Wall Street' blonde bombshell Margot Robbie debuts new gothic look Margot Robbie's Dark Locks & Julia Roberts' Blond Hair Make Red Carpet Debut ... Margot Robbie Brings Brown Locks to 2014 Academy Awards |