 While Shireen went into acting, Zaskia began with singing; in 2008 the two founded The Sisters.The two released a self-titled album that year, with the single "Keajaiban Cinta" ("Love's Miracle") receiving national airplay.The following year, she began acting in several "sinetron" (Indonesian soap operas), including "Terlanjur Cinta" ("Too Far in Love"), "Seruni", and "Koboi Cabe Rawit" ("Bird's Eye Chili Cowboy").