Three Billboards Outside Ebbing, Missouri has won the People's Choice prize at the Toronto International Film Festival on Sunday.
The devastating dark comedy about revenge and redemption in small-town America beat out several other buzzworthy titles for the top honour.
The first runner-up is I, Tonya, a mockumentary-style black comedy starring Margot Robbie as disgraced U.S. figure skater Tonya Harding.
Second runner-up is coming-of-age tale Call Me By Your Name.
The People's Choice honour is often a predictor of Academy Award success.
Last year's winner was La La Land, which scored a record-tying 14 Oscar nominations earlier this year.
The Los Angeles-set musical starring London, Ont., native Ryan Gosling went on to win six Oscars, including best actress for Emma Stone and the director prize for Damien Chazelle.
In a historic gaffe, La La Land was mistakenly announced as the best picture winner at this year's ceremony before the prize was awarded to Moonlight.