Jennifer Lopez ET Interview JLo on Britney, Mariah, her Tour Teeology

Jennifer Lopez Interview on ET Britney, Mariah, her Tour Teeology J. Lo s Advice For Britney and Mariah By ETONLINE STAFF As Britney Spears and Mariah Carey gear up for their debut as judges on The X Factor USA and American Idol, respectively, Idol alum Jennifer Lopez offers the following advice for her talent show protégés. VIDEO: Jennifer Lopez Shares Her First World Tour Jitters I always