Carolina Wallin Pérez (born August 4, 1982 in Mellerud, Sweden), is a Swedish pop and jazz singers. Perez became known only through music site MySpace and the sign was shortly thereafter to the Family Tree Music (distributed by Sony Music).

She debuted in 2009 with the album Pärlor och Svin, with covers of Kent songs. The album peaked at location 23 on the Swedish album chart, with the best-selling single, Utan dina andetag, which placed it at number 30 on the Swedish singles chart. The album was produced by Fredrik Okazaki Bergstrom and was recorded by Kent's producer Stefan Boman. In 2005, she contributed with vocals on "I Will not Stay" on Monster & Maskiners studio album, Never Die!.

On February 18, 2012, Pérez competed in the Melodifestivalen 2012, with the song "Sanningen".

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