Koreen won the top title of Mutya ng Pilipinas Asia Pacific International 2013 title for Miss Intercontinental together with co-winner, Angeli Dione Barbas Gomez, Mutya ng Pilipinas Tourism International 2013 for Miss Tourism International 2013 at the Mutya ng Pilipinas 2013 pageant.
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She competed at the Miss Intercontinental 2013 pageant in Magdeburg, Germany on Dec. 14th were she placed 3rd runner-up.
Medina | River Medina | Claribel Medina | Medina, Ohio | Ernest Medina | Ofelia Medina | Médina | Enrique de Guzmán, 2nd Duke of Medina Sidonia | Angelo Medina | Angel Medina | Patricia Medina | Medina (singer) | Medina de Rioseco | Medina County, Texas | Medina County, Ohio | Medina County | medina | John Medina | Anabel Medina Garrigues | Trina Medina | Solomon de Medina | Nelson Medina | Montville Township, Medina County, Ohio | Michael Medina | Medina Valley Independent School District | Medina Township, Medina County, Ohio | Medina Township | Medina River | Medina Azahara | Manuel "Mantecas" Medina |