There are multiple artists named Erika.
1) Erika Sawajiri (沢尻エリカ) who goes by ERIKA for her music releases, is a Japanese actress, model, gravure idol and singer. She passed the Stardust audition in 1999 after graduating from elementary school. The following year she became part of the idol unit “ANGEL EYES” and began modelling for junior fashion magazines like CUTiE and nicola. In 2001 she won the Grand Prize for that year’s Seikore and became a regular on the BS news program Harajuku Launchers.