(CNN) Miss South Africa rules all.

Zozibini Tunzi was crowned Miss Universe Sunday night after excelling through rounds of swimsuit and evening gown struts, questions on social issues and one final chance to explain why she was the right choice.

"I grew up in a world where a woman who looks like me — with my kind of skin and my kind of hair — was never considered to be beautiful," she said in her last response. "I think it is time that that stops today. I want children to look at me and see my face and I want them to see their faces reflected in mine."

The two runners-up for the crown were Miss Mexico and Miss Puerto Rico.

"If you do not use your beauty for your life's mission, it's just an empty ornament," Sofía Aragón, representing Mexico, said earlier in the competition.

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