At the 90th Academy Awards , '' Three Billboards Outside Ebbing , Missouri '' was nominated for seven awards and won Best Actress ( McDormand ) and Best Supporting Actor ( Rockwell ) . At the 75th Golden Globe Awards , it won Best Motion Picture – Drama , Best Actress – Drama ( McDormand ) , Best Supporting Actor ( Rockwell ) , and Best Screenplay . It won three SAG Awards , including Outstanding Performance by a Cast in a Motion Picture , and five BAFTA Film Awards , including Best Film and Outstanding British Film
SAG Awards
24th Screen Actors Guild Awards
Three Billboards Outside Ebbing, Missouri