The Colombian beauty left behind 87 contestants, including India's Noyonita Lodh, to win the crown in Miami Sunday night.
The 22-year-old opened up about winning the title in an interview with people.com saying: "When we participate in a pageant, we are examples to young and teenage girls. It's very delicate.
"I want to demonstrate that it is not the most important thing to be beautiful and have a glamorous life. It's about feeling beautiful. Become an intelligent, professional, hardworking woman with a great heart. That is the example I want to set," she added.
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Vega, who represented Colombia at the 63rd Miss Universe Pageant, is currently residing in New York and admits that she is "living the dream."
"My whole life I have dreamed to live in New York City and now I am living the dream. I love to walk the streets and see the movements and the vibe of the city."