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The 29-year-old Oscar-winning actress made her grand arrival on the red carpet in a sparkling, high neck silver mesh halter gown with a thigh-high slit.
Brie is not a nominee at this year's awards, but she has the incredible honor of presenting an award to the lucky winner at tonight's show.
Larson shared the exciting news on her Twitter in February and wrote: "Heck yes." Our thoughts exactly!
The Captain Marvel star is returning to the show after winning the Oscar for Best Actress for her role in the movie Room in 2016. It was a huge accomplishment for the actress since it was the first time she had ever been nominated by the Academy.