The sex factor! Jennifer Lopez busts out of a VERY low cut metallic crop top for sizzling American Idol performance

By ELEANOR GOWER Studded stunner! Jennifer Lopez shows off her famous curves in an extremely low cut crop top on the American Idol stage tonightIt may have been the long awaited American Idol results show, but Jennifer Lopez refused to let either Phillip Phillips or Jessica Sanchez upstage her tonight. The 42-year-old singer and actress poured herself into an ultra low cut studded crop top which