Barros represented Chile in Miss Universe 2004 held in Quito, Ecuador, where she classified between fifteen semifinalists, staying in the place number 12. The winner was Miss Australia, Jennifer Hawkins. Chile doesn’t classified between the fifteen semifinalists since 1990.
Nowadays, she’s an international model and takes part in a program of Italian broadcaster RAI.She won ‘Miss Chile’ contest in 2004.She was the first Runner-up in the 2004 ‘Miss Universe’ contest.