by Leyla MohammedBuzzFeedBuzzFeed StaffAs a Celebrity Reporter, I cover everything from fashion and award shows to TV, film, and cultural conversations. Back in 2010, Anna Kendrick and Kieran Culkin were just two of MANY celebrities who starred in Scott Pilgrim vs. the World. (C)Universal/Courtesy Everett Collection Of course, Michael Cera played the titular character in the Edgar Wright action/comedy, an aspiring musician who needed to defeat all seven of his dream girl Ramona Flowers's exes in order to date her. The film was based on the graphic novel series by Bryan Lee O'Malley.