 Later that year, rock/R&B singer/songwriter Aja Kim was announced as Warren's successor by the Maidens.Shortly after leaving the Maidens, Warren regrouped Wrathchild with Sisneros (who left the Maidens in late 2002) for a one-off performance at MetalJam, a fund-raising event to promote autism awareness and raise funds for charities to find a cure for autism.She also played bass for the all-female AC/DC tribute band Whole Lotta Rosies for a short period of time.