Early career Mejía began her pageant career as Miss Beverly Hills Teen USA 2013. She competed twice for
Miss California Teen USA, placing fourth runner-up in 2013 and reaching the Top 20 in 2014. She later held the title of Miss Malibu USA 2015 and made the Top 20 at
Miss California USA 2015.
Miss California USA 2016 and Miss USA 2016 Representing
Corona del Mar, Mejía was crowned
Miss California USA 2016 on December 6, 2015. At
Miss USA 2016, she was voted Fan Favorite and placed in the Top 5.
Miss Universe Ecuador 2024 In January 2024, Mejía joined the virtual casting for the inaugural
Miss Universe Ecuador pageant. She was selected among 25 candidates and later designated as the representative of the Ecuadorian community in the United States. She placed first runner-up.
Miss Universe Ecuador 2025 On July 26, 2025, Mejía represented again the Ecuadorian community in the United States at
Miss Universe Ecuador 2025, held at the Palacio de Cristal in
Guayaquil. She won the title and represented
Ecuador at
Miss Universe 2025 in Thailand, where she was Unplaced. == Advocacy ==