The actress exuded elegance in her silk, lilac gown that was reminiscent of old Hollywood glamor. She did show off some skin as the dress had a plunging neckline and a thigh-high slit on one side.
Larson, who plays Captain Marvel in the series, also stopped to take pictures with adoring fans who dressed up in costume for the Los Angeles movie premiere.
Larson was recently listed in Time's 100 most influential people list where her "Avengers" co-star Tessa Thompson gushed over her.
"Brie is primed to be one of Marvel’s next big leaders at a time when women are breaking ceilings in all spaces. She is in a position to make real systemic change in Hollywood. I’m elated to see someone so pure of intention wield that power."