Career
Luna competed in 2003 as the delegate from Sinaloa in her country"s national beauty pageant, Nuestra Belleza México, winning the competition and gaining the right to represent Mexico in
As her country"s official representative to the 2004 Mission Universe pageant, held in Quito, Ecuador, Luna placed second to Mission Panama in the Best National Costume competition. On June 1, 2004, she became one of the top 15 semifinalists who competed for the Mission Universe title, giving Mexico their first placement in the pageant since Silvia Salgado in 1999.