The "Wild" star, said she was thrilled to see Stone pick up the trophy, reported Entertainment Tonight.
"I'm always getting emotional when people win. It's a lifelong dream and it's a very small group of people. And you feel very honoured to be a part of it. It's very fun and exciting. I get excited for people," Witherspoon said.
Brie Larson also congratulated the "La La Land" star on her award by posting a sweet picture of them hugging at the event.
"You know what's better than winning? Watching your friends win. @TheAcademy (sic)" she captioned the photo.
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