Also during TIFF, ScarJo crashed Ford v Ferrari stars Christian Bale and Matt Damon's puppy hangout with Entertainment Weekly! The A-listers took some time out of their busy day at the film festival to cuddle with a few adorable puppies.
Scarlett, 34, donned a glitzy silver midi dress and matching sandals for the evening. The backless gown showed off her many tattoos.
The Avengers: Endgame star added more glamour with her gold heart-shaped pendant, silver chain necklace and diamond-drop earrings. Scarlett sported magenta-colored lipstick and light makeup for her big night.
The premiere was held at Toronto's famed Princess of Wales Theater and is one of the many movies screened at the elite film festival.
Other movies set to make their debut during TIFF include Chris Evans' mystery Knives Out, Joaquin Phoenix's superhero drama Joker and Nicole Kidman's movie, Goldfinch. Jennifer Lopez premiered her stripper drama, Hustlers at the all-star event while Tom Hanks will be showing his movie, A Beautiful Day in the Neighborhood. The actor even met up with the Maid in Manhattan star on the red carpet during a photocall.
The film-lovers fest kicked off on September 5 and will conclude on September 15. Hollywood's best and brightest stars jetted off to the land of maple syrup, moose and Justin Trudeau to show off their latest flicks.
Jojo Rabbit is directed, written and produced by Thor: Ragnorak director Taika Waititi. The filmmaker also stars in the film as a satirical version of Adolf Hitler. The black comedy also stars Rebel Wilson, Sam Rockwell and Stephen Merchant. The flick tells the tale of a young Hitler Youth member in the 1940s who discovers his single mom is hiding a Jewish girl in their attic. The movie will hit U.S. theaters on October 18.
Will you be heading to the theaters to watch Scarlett's new film? Sound off in the comments below! Which film are you excited to catch this fall?