J.Lo is a work.
J.Lo is the second studio album and most successful album to date by American entertainer Jennifer Lopez . Commercially , J.Lo became Lopez 's most successful album . The album debuted at number one on the US Billboard 200 , on the same week as her film The Wedding Planner '' , opened at the top of the domestic box office , making her the first entertainer to have both a number one film and album simultaneously .