The actors looked handsome in a coordinating navy suits as they were joined on the red carpet by co-star Linda Cadellini and director Peter Farrelly.
PHOTOS: Check out the latest pics of Mahershala Ali
Mahershala was also joined on the red carpet by wife Amatus Sami-Karim.
Green Book follows a working-class Italian-American bouncer who becomes the driver of an African-American classical pianist on a tour of venues through the 1960s American South.
The film is set to hit theaters on November 16 – make sure to check out the trailer here!
10+ pictures inside of the stars at the premiere….