BAKERSFIELD, Calif. (KGET) -- Bakersfield's Mariachi Girl Alessandra Gutierrez is set to perform at the Kern County Fair Thursday. KGET first introduced you to the 7-year-old singing sensation in August, as she headed to Houston to perform with some big names at the Mariachi Festival. Bakersfield girl wins national mariachi singing competition You can catch Alessandra's performance Sept. 26 alongside Mariachi Aguilas Bakersfield at the Villa Festiva Stage at 6:30 p.m.