The Queen has arrived!
Nyong’o, 33, wore a vibrant canary-and-cobalt strapless dress with intricate flora detailing on the bodice, and accessorized the formfitting look with a matching blue headdress.
But her biggest, most jaw-dropping fashion statement was her bling: The actress wore $624,000 worth of jewelry from Tiffany & Co., including an 8.21-carat yellow-diamond ring, a 15.75-carat sapphire-and-diamond ring, and tanzanite-and-diamond earrings.
The busy actress, who will also reprise her role as Maz Kanata in the next Star Wars movie, plays Harriet Mutesi, mother of a 12-year-old chess prodigy, Phiona Mutesi, from the slums of Uganda.
For more from the Toronto International Film Festival, go to PEOPLE.com/tiff.
The film, based on a true story, was shot on location in Uganda, with the blessing of Phiona herself.
“First of all, I am from East Africa, from Kenya, which is just next door to Uganda,” Nyong’o said last year at Disney’s D23 Expo of her time filming in Africa. “It was invaluable. I met Phiona and her mother and they are just incredible people.”
She added that the people from the slums of Katwe have “dignity.”
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[Katwe] is a difficult place to live,” Nyong’o said, and that shooting there “did sober us and enliven us. To have that vibe was really exciting.”
The Queen of Katwe opens in theaters Sept. 30.