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Alizée performed 43 concerts during her En concert Tour, which spanned from 2003 to 2004. The tour was a major success, with Alizée performing in various cities across Europe and Asia. The setlist included songs from her debut album, "Gourmandises," as well as her second album, "Mes courants électriques." The tour showcased Alizée's vocal abilities and energetic stage presence, solidifying her status as a rising star in the music industry.